2006 Dodge Durango Owners Manual

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Each of these outlets can be individually adjusted to direct the flow of air. Moving the air vane knobs on the outlets to one side will shut off the airflow. The rear compartment control uses two rotary knobs: one for the temperature control and the other for the fan speed control. The mode for the rear air conditioning and heating system is always controlled by the front control unit. Fan and temperature can be controlled from the front control unit or the rear control unit. INSTRUMENT PANEL AND CONTROLS 233 NOTE: For best operation, make sure that ventilation grilles located in the rear storage area are not obstructed by stowed articles. Rear Rotary Blower Control The second row seat occupants have control of the rear blower speed, only when the front control unit is in the “REAR CONTROL” position or CONTROL IN REAR⬙ for ATC.⬙ The rear blower switch has an “Off” position and a range of blower speeds. Rotating the rear blower control clock- wise will increase the blower speed. Rear Rotary Temperature Control The second row seat occupants have control of the rear temperature control, only when the front control unit is in the “REAR CONTROL” position. To change the temperature in the rear of the vehicle, rotate the temperature control knob to the right or left. The blue area indicates cooler temperatures while the red area indicates warmer temperatures. 234 INSTRUMENT PANEL AND CONTROLS Front Unit to Rear Unit Chart If the Front Control is Rear Airflow will come selected from Panel Headliner Bi-Level Headliner • Between Bi-Level Floor Bi-Level Floor Mix Defrost Operating Tips Floor Floor Floor Fast Cooldown For a fast cooldown, set the blower fan to the highest setting, set the mode control to the panel fresh position, press the snowflake button to turn on the air condition- ing, and drive with the windows open for the first few minutes. Once the hot air has been expelled, close the windows and set the mode selector to the Recirculation panel or Recirculation Bi-level position. When a comfort- able condition has been reached, choose a mode position and adjust the temperature control and blower speed as necessary to maintain comfort. For high humidity condi- tions it may be necessary to remain in the Recirculation mode to maintain comfort. Window Fogging Windows will fog on the inside when the humidity inside the vehicle is high. This often occurs in mild or cool temperatures when it’s rainy or humid. In most cases turning on the Air-conditioning (pressing the snowflake button) will clear the fog. Adjust the temperature control, air direction and blower speed to maintain comfort. As the temperature gets colder it may be necessary to direct air onto the windshield by using MIX Mode position on the control. Adjust the temperature control and blower speed to maintain comfort. Interior fogging on the windshield can be quickly removed by selecting the defrost mode. Regular cleaning of the inside of the windows with a non-filming cleaning solution (vinegar and water works very well) will help prevent contaminates (cigarette smoke, perfumes, etc.) from sticking to the windows. Contaminates increase the rate of window fogging. Summer Operation Air conditioned vehicles must be protected with a high quality antifreeze coolant during summer to provide proper corrosion protection and to raise the boiling point of the coolant for protection against overheating. A 50 % concentration is recommended. INSTRUMENT PANEL AND CONTROLS 235 When using the air conditioner in extremely heavy traffic in hot weather especially when towing a trailer, addi- tional engine cooling may be required. If this situation is encountered, operate the transmission in a lower gear. When stopped in heavy traffic, it may be necessary to shift into NEUTRAL and press the accelerator slightly for fast idle operation. Winter Operation When operating the system during the winter months, make sure the air intake, located directly in front of the windshield, is free of ice, slush, snow, or other obstruc- tions. 236 INSTRUMENT PANEL AND CONTROLS Operating Tips Chart REAR WINDOW FEATURES Rear Window Wiper/Washer INSTRUMENT PANEL AND CONTROLS 237 A rotating switch located on the climate control panel turns the rear wiper On or Off. Pressing the rotating switch inward activates the rear window washer. Rotating the switch will enable one of five intermittent delay times for the rear wiper. The delay times range from 20 to 1 second. 238 INSTRUMENT PANEL AND CONTROLS If the rear wiper is operating when the ignition is turned off, the wiper will automatically return to the “Park” position. When the vehicle is restarted, the wiper will resume operation. Rear Window Defrosting A push-button type switch is located in the climate control panel. Press the switch and the rear win- dow defroster and electric remote control heated mirrors (if equipped) will turn On. An amber indicator on the push-button will light when the defroster is turned On. An symbol will be displayed when the defroster is turned on with an ATC control. Push again to turn Off prior to time-out. The defroster will automatically turn Off after fifteen minutes. For ten more minutes of operation, push the button again. To prevent excessive battery drain, use the defroster only when the engine is operating. CAUTION! Use care when washing the inside of the rear win- dow to prevent damage to heating elements. Use a soft cloth and a mild washing solution, wiping parallel to the heating elements. Also, keep all objects a safe distance from the window to prevent damaging the heating elements. STARTING AND OPERATING CONTENTS 䡵 Starting Procedures . . . . . . . . . . . . . . . . . . . . . 242 ▫ Automatic Transmission . . . . . . . . . . . . . . . . 242 ▫ Normal Starting . . . . . . . . . . . . . . . . . . . . . . 242 ▫ Engine Block Heater — If Equipped . . . . . . . . 244 䡵 Automatic Transmission . . . . . . . . . . . . . . . . . . 245 ▫ Automatic Transmission . . . . . . . . . . . . . . . . 245 䡵 Four-Wheel Drive Operation . . . . . . . . . . . . . . . 250 ▫ NV 144 Transfer Case Operating Information/Precautions . . . . . . . . . . . . . . . . 250 ▫ Shifting Procedure - NV 144 Transfer Case . . . 252 ▫ NV 244 Generation II Transfer Case Operating Information / Precautions . . . . . . . . . . . . . . . 253 ▫ Shifting Procedure - NV 244 Generation II Transfer Case . . . . . . . . . . . . . . . . . . . . . . . . 256 䡵 Parking Brake . . . . . . . . . . . . . . . . . . . . . . . . . 258 䡵 Brake System . . . . . . . . . . . . . . . . . . . . . . . . . . 260 . . . 260 䡵 Power Steering . . . . . . . . . . . . . . . . . . . . . . . . 262 䡵 Rocking The Vehicle . . . . . . . . . . . . . . . . . . . . . 264 ▫ Four-Wheel Anti-Lock Brake System (ABS) 240 STARTING AND OPERATING 䡵 Tire Safety Information . . . . . . . . . . . . . . . . . . . 264 ▫ Tire Markings . . . . . . . . . . . . . . . . . . . . . . . . 264 ▫ Tire Identification Number (TIN) . . . . . . . . . . 268 ▫ Tire Loading And Tire Pressure . . . . . . . . . . . 269 䡵 Tires—General Information . . . . . . . . . . . . . . . . 273 ▫ Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . 273 ▫ Tire Inflation Pressures . . . . . . . . . . . . . . . . . 274 ▫ Radial-Ply Tires . . . . . . . . . . . . . . . . . . . . . . 276 ▫ Compact Spare Tire — If Equipped . . . . . . . . . 277 ▫ Limited Use Spare — If Equipped . . . . . . . . . 278 ▫ Tire Spinning . . . . . . . . . . . . . . . . . . . . . . . . 278 ▫ Tread Wear Indicators . . . . . . . . . . . . . . . . . . 279 ▫ Life Of Tire . . . . . . . . . . . . . . . . . . . . . . . . . 280 ▫ Replacement Tires . . . . . . . . . . . . . . . . . . . . . 280 ▫ Alignment And Balance . . . . . . . . . . . . . . . . . 281 䡵 Supplemental Tire Pressure Information – If Equipped . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 䡵 Tire Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . 282 䡵 Snow Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . 283 䡵 Tire Rotation Recommendations . . . . . . . . . . . . 284 䡵 Fuel Requirements . . . . . . . . . . . . . . . . . . . . . . 285 ▫ Reformulated Gasoline . . . . . . . . . . . . . . . . . 286 ▫ Gasoline/Oxygenate Blends . . . . . . . . . . . . . . 286 ▫ MMT In Gasoline . . . . . . . . . . . . . . . . . . . . . 287 ▫ Materials Added To Fuel . . . . . . . . . . . . . . . . 287 ▫ Adding Fuel . . . . . . . . . . . . . . . . . . . . . . . . . 287 ▫ Fuel System Cautions . . . . . . . . . . . . . . . . . . 289 ▫ Carbon Monoxide Warnings . . . . . . . . . . . . . . 290 䡵 Catalytic Converter . . . . . . . . . . . . . . . . . . . . . 291 䡵 Vehicle Loading . . . . . . . . . . . . . . . . . . . . . . . . 292 ▫ Certification Label . . . . . . . . . . . . . . . . . . . . . 292 ▫ Curb Weight . . . . . . . . . . . . . . . . . . . . . . . . . 294 ▫ Loading . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294 䡵 Trailer Towing . . . . . . . . . . . . . . . . . . . . . . . . . 296 ▫ Common Towing Definitions . . . . . . . . . . . . . 296 ▫ Trailer Hitch Classification . . . . . . . . . . . . . . . 298 ▫ Trailer Towing Weights (Maximum Trailer Weight Ratings) . . . . . . . . . . . . . . . . . . . . . . 299 STARTING AND OPERATING 241 ▫ Trailer And Tongue Weight . . . . . . . . . . . . . . 299 ▫ Towing Requirements . . . . . . . . . . . . . . . . . . 300 ▫ Towing Tips . . . . . . . . . . . . . . . . . . . . . . . . . 305 ▫ Trailer Towing Mirrors — If Equipped . . . . . . 307 䡵 Snowplow . . . . . . . . . . . . . . . . . . . . . . . . . . . . 307 . . . . . . . . . . . . . . . . 307 䡵 Recreational Towing (Behind Motorhome, Etc.) . . 308 . . . . . . . . . 308 . . . . . . . . . 308 䡵 Traction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 312 䡵 Equipment Identification Plate . . . . . . . . . . . . . 313 ▫ Recreational Towing 2WD Models ▫ Recreational Towing 4WD Models ▫ Dodge Durango Models 242 STARTING AND OPERATING STARTING PROCEDURES Automatic Transmission Start the engine with the selector lever in NEUTRAL or PARK position. Apply the brake before shifting to any driving range. WARNING! Do not attempt to push or tow your vehicle to get it started. Vehicles equipped with an automatic trans- mission cannot be started this way. Unburned fuel could enter the catalytic converter and once the engine has started, ignite and damage the converter and vehicle. If the vehicle has a discharged battery, booster cables may be used to obtain a start from a booster battery or the battery in another vehicle. This type of start can be dangerous if done improperly. See section 6 of this manual for the proper jump starting procedures and follow them carefully. Normal Starting Normal Starting of either a warm or cold engine is obtained without pumping or depressing the accelerator pedal. Tip Start Feature Your vehicle has a “Tip Start” starting system. With “Tip Start” the driver does not need to hold the key in the ’Start’ position until the vehicle starts, but can release the key (still in the ignition) and the vehicle will continue through the start cycle. • Turn the ignition key to the START position, until the • Release the key (still in the ignition) and the starter will continue through the start cycle until the vehicle starts or for 5 seconds (whichever comes first). start motor engages. If Engine Fails To Start If the engine fails to start after you have followed the Normal Starting procedure, it may be flooded. Push the accelerator pedal all the way to the floor and hold it there while cranking the engine. This should clear any excess fuel in case the engine is flooded. CAUTION! To prevent damage to the starter, do not crank the engine for more than 15 seconds at a time. Wait 10 to 15 seconds before trying again. If the engine has been flooded, it may start to run, but not have enough power to continue running when the key is released. If this occurs, continue cranking with the accel- erator pedal pushed all the way to the floor. Release the accelerator pedal and the key once the engine is running smoothly. STARTING AND OPERATING 243 If the engine shows no sign of starting after two 15 second periods of cranking with the accelerator pedal held to the floor, the Normal Starting procedure should be repeated. WARNING! Never pour fuel or other flammable liquid into the throttle body air inlet opening in an attempt to start the vehicle. This could result in flash fire causing serious personal injury. After Starting The idle speed is automatically controlled on fuel injected engines and will decrease as the engine warms up. 244 STARTING AND OPERATING CAUTION! Long periods of engine idling can cause excessive exhaust temperatures which can damage your ve- hicle. Do not leave your vehicle unattended with the engine running. WARNING! Do not leave children or animals inside parked vehicles in hot weather. Interior heat build up may cause serious injury or death. Engine Block Heater — If Equipped The engine block heater warms engine coolant and permits quicker starts in cold weather. Connect the cord to a standard 110-115 volt AC electrical outlet with a grounded, three wire extension cord. The 3.7L/4.7L engine block heater cord is located at the front of the engine compartment near the radiator cap. The 5.7L engine block heater cord is located on the left side of the engine compartment and rearward of the power distribution center. WARNING! Remember to disconnect the cord before driving. Damage to the 110-115 volt electrical cord could cause electrocution. AUTOMATIC TRANSMISSION Automatic Transmission The electronic PRNDL on the instrument cluster indicates the transmission gear selected. The selector lever is mounted on the right side of the steering column. To drive, move the selector lever from Park or Neutral to the desired drive position. Pull selector lever toward you when shifting into Reverse, Second, First or Park, or when shifting out of Park. Brake/Transmission Interlock System This system prevents you from moving the gear shift out of Park and into any gear unless the brake pedal is pressed. This system is active only while the ignition switch is in the ON position. Always depress the brake pedal first, before moving the gear selector out of PARK. Gear Ranges DO NOT race the engine when shifting from Park or Neutral position into another gear range. STARTING AND OPERATING 245 “P” Park Supplements parking brake by locking the transmission. Engine can be started in this range. Never use Park while vehicle is in motion. Apply parking brake when leaving vehicle in this range. Always apply parking brake first, then place selector in Park position. WARNING! Your vehicle could move and injure you and others if it is not completely in P (Park). Check by trying to move the gearshift lever back and forth without first pulling the lever toward you, after you have set it in P (Park). Make sure it is in Park before leaving the vehicle. 246 STARTING AND OPERATING WARNING! Never use Park position on an automatic transmis- sion as a substitute for the parking brake. Always apply parking brake fully when parked to guard against vehicle movement and possible injury or damage. WARNING! It is dangerous to shift the selector lever out of “P” or “N” if the engine speed is higher than idle speed. If your foot is not firmly on the brake pedal, the vehicle could accelerate quickly forward or in re- verse. You could lose control of the vehicle and hit someone or something. Only shift into gear when the engine is idling normally and when your right foot is firmly on the brake pedal. “R” Reverse Use this range only after the vehicle has come to a complete stop. “N” Neutral Shift to Neutral when vehicle is standing for prolonged periods with engine running. Engine may be started in this range. Set the parking brake if you must leave the vehicle. NOTE: Towing the vehicle (except as specified under Towing A Disabled Vehicle), coasting, or otherwise driv- ing the vehicle while in N (Neutral) can cause severe transmission damage “D” Drive For most city and highway driving. “2” Second For driving slowly in heavy city traffic or on mountain roads where more precise speed control is desirable. Use it also when climbing long grades, and for engine brak- ing when descending moderately steep grades. To pre- vent excessive engine speed do not exceed 45 miles per hour (72 km/h) in this range. “1” First For driving up very steep hills and for engine braking at low speeds 25 mph (40 km/h) or less when going down hill. To prevent excessive engine speed do not exceed 25 mph (40 km/h) in this range. Overdrive Operation The overdrive automatic transmission contains an elec- tronically controlled fourth and fifth (if equipped) speed (Overdrive). The transmission will automatically shift from Drive to Overdrive if the following conditions are present: • the transmission selector is in Drive; STARTING AND OPERATING 247 perature; • the engine coolant has reached normal operating tem- • vehicle speed is above approximately 30 mph (48 • the “TOW/HAUL” switch has not been activated; • transmission has reached normal operating tempera- km/h); ture. If the vehicle is started in extremely cold tem- NOTE: peratures, the transmission may not shift into Overdrive and will automatically select the most desirable gear for operation at this temperature. Normal operation will resume when the transmission fluid temperature has risen to a suitable level. Refer also to the Note under torque converter clutch, later in this section. When To Use “TOW/HAUL” Mode 248 STARTING AND OPERATING If the transmission temperature gets extremely hot, the transmission will automatically select the most desirable gear for operation at this temperature. If the transmission temperature becomes hot enough the TRANS TEMP light may illuminate and the transmission may downshift out of Overdrive until the transmission cools down. After cooldown, the transmission will resume normal opera- tion. The transmission will downshift from Overdrive to Drive if the accelerator pedal is fully depressed at vehicle speeds above approximately 35 mph (56 km/h). When driving in hilly areas, towing a trailer, carrying a heavy load, etc., and frequent transmission shifting oc- curs, press the “TOW/HAUL” button. This will improve performance and reduce the potential for transmission overheating or failure due to excessive shifting. When operating in “TOW/HAUL” mode, (if 5th gear equipped) is disabled and 2-3 and 3-4 shift patterns are modified. Shifts into Overdrive (4th gear) are allowed during steady cruise (for improved fuel economy) and automatic closed-throttle downshifts to 3rd gear (for improved braking) will occur during steady braking. The “TOW/HAUL” light will illuminate in the instru- ment cluster to indicate when the switch has been activated. Pressing the switch a second time restores normal operation. If the “TOW/HAUL” mode is desired, the button must be pressed each time the engine is started. Torque Converter Clutch A feature designed to improve fuel economy is included in all automatic transmissions. A clutch within the torque converter engages automatically at a calibrated speed at light throttle. It engages at higher speeds under heavier acceleration. This may result in a slightly different feeling or response during normal operation in high gear. When STARTING AND OPERATING 249 the the vehicle speed drops below a calibrated speed, or during acceleration, clutch automatically and smoothly disengages. The feature is operational in Over- drive and in Drive. NOTE: The torque converter clutch will not engage until the transmission fluid and engine coolant are warm [usually after 1-3 miles (1.6 - 4.8 km) of driving]. Because the engine speed is higher when the torque converter clutch is not engaged, it may seem as if the transmission is not shifting into Overdrive when cold. This is normal. Pressing the⬙TOW/HAUL⬙ button will demonstrate that the transmission is able to shift into and out of Overdrive. If the vehicle has not been driven in several NOTE: days, the first few seconds of operation after shifting the transmission into gear may seem sluggish. This is due to the fluid partially draining from the torque converter into the transmission. This condition is normal and will not 250 STARTING AND OPERATING cause damage to the transmission. The torque converter will refill within five seconds of shifting from Park into any other gear position. FOUR-WHEEL DRIVE OPERATION NV 144 Transfer Case Operating Information/Precautions The NV 144 is an electric shift transfer case and is operated by the Four-Wheel-Drive (4WD) Control Switch, which is located on the instrument panel. The NV 144 transfer case provides 2 mode positions: All-Wheel Drive (AWD) and 4-Wheel-Drive LOCK. The NV 144 transfer case is designed to be driven in for AWD for normal street and highway conditions (all road surfaces roads). When additional traction is required, the transfer case 4LOCK position can be used to lock the front and rear driveshafts together and force the front and rear wheels to rotate at the same speed. This is accomplished by rotating the 4WD Control Switch to the 4LOCK position - see Shifting Procedure section for specific shifting instructions. The 4LOCK position is designed for loose, slippery road surfaces only. Driving in the 4LOCK posi- tion on dry hard surfaced roads may cause increased tire wear and damage to the driveline components. Transfer Case Position Indicator Lights Transfer case position indicator lights are located on the instrument cluster, and indicate the current and desired transfer case selection. If there are no indicator lights on or flashing the transfer case position is All-Wheel Drive (AWD). The “SVC 4WD” warning light monitors the electric shift 4WD system. If this light remains on after engine start up or illuminates during driving, it means that the 4WD system is not functioning properly and that service is required. WARNING! Always engage the parking brake when powering down the vehicle if the ⴖService 4WDⴖ light is illuminated. Not engaging the parking brake may allow the vehicle to roll which may cause personal injury. NOTE: Do not attempt to make a shift while only the front or rear wheels are spinning. The NV 144 transfer case is not equipped with a synchronizer and therefore the front and rear driveshaft speeds must be equal for the shift to take place. Shifting while only the front or rear wheels are spinning can cause damage to the transfer case. Proper operation of four-wheel-drive vehicles depends on tires of equal size, type and circumference on each wheel. Any difference in tire size can cause damage to the transfer case. STARTING AND OPERATING 251 Because four-wheel-drive provides improved traction, there is a tendency to exceed safe turning and stopping speeds. Do not go faster than road conditions permit. For additional information on the appropriate use of each transfer case mode position see the information below: AWD Normal All-Wheel-Drive High Range - Employs inter- axle differential. Allows front and rear wheels to rotate at different speeds. All road surfaces. 4LOCK Four-Wheel-Drive LOCK - Locks the front and rear driveshafts together. Forces the front and rear wheels to rotate at the same speed. Additional traction for loose, slippery road surfaces only. 252 STARTING AND OPERATING Shifting Procedure - NV 144 Transfer Case AWD to 4LOCK or 4LOCK to AWD With the key ON and the engine either OFF or RUN- NING, rotate the transfer case switch, located on the instrument panel to the desired position. NOTE: Delayed shifting out of 4LOCK may be experi- enced due to uneven tire wear, low tire pressure, or excessive vehicle loading. If any of the requirements to select a new NOTE: transfer case position have not been met, the transfer case will not shift. The indicator light will flash and the current transfer case position will be maintained. To retry a selection, turn the control knob back to the current position, wait five (5) seconds, and retry the shift. NOTE: The 4x4 system will not allow shifts between AWD/4LOCK if the rear wheels are spinning (no trac- tion). In this situation the position indicator light will continue to flash. At this time, reduce speed and stop spinning the wheels to complete the shift. There may be a delay up to 13 seconds for the shift to complete after the wheels have stopped spinning. NOTE: The ignition key must be ON for a shift to take place and for the position indicator lights to be operable. If the key is not ON then the shift will not take place and no position indicator lights will be on or flashing. NV 244 Generation II Transfer Case Operating Information / Precautions The NV 244 Generation II is an electric shift transfer case and is operated by the 4WD Control Switch, which is located on the instrument panel. The NV 244 Generation II transfer case provides 4 mode positions - Normal all-wheel-drive high range, four- wheel-drive LOCK, four-wheel-drive low range, and neutral. This transfer case is equipped with an inter-axle differ- ential that allows driving the vehicle in the normal all-wheel-drive position (AWD) at all times on any given road surface, including dry hard surfaced roads. The AWD mode allows the front and rear wheels to rotate at different speeds. This eliminates driveline binding and component wear normally associated with driving the STARTING AND OPERATING 253 vehicle in the 4LOCK position on dry hard surfaced roads. This feature provides the safety, security, and convenience of operating in all-wheel drive at all times regardless of road conditions. When additional traction is required, the 4LOCK and 4LO positions can be used to lock the front and rear driveshafts together through the transfer case inter-axle differential and force the front and rear wheels to rotate at the same speed. This is accomplished by rotating the 4WD Control Switch to these positions. The 4LOCK and 4LO positions are intended for loose, slippery road surfaces only. Driving in the 4LOCK and 4LO positions on dry hard surfaced roads may cause increased tire wear and damage to the driveline components. The transfer case Neutral (N) position is selected by depressing the recessed button located on the lower left hand corner of the 4WD Control Switch. 254 STARTING AND OPERATING NOTE: The transfer case Neutral (N) position is to be used for recreational towing only. See Recreational Tow- ing section for specific procedures on shifting into and out of Neutral (N). Transfer Case Position Indicator Lights Transfer case position indicator lights are located on the instrument cluster. If there are no indicator lights on or flashing the transfer case position is All-Wheel Drive (AWD) and indicate the current and desired transfer case selection (4HI ⇔ 4LOCK). The “SVC 4WD” warning light monitors the electric shift 4WD system. If this light remains on after engine start up or illuminates during driving, it means that the 4WD system is not functioning properly and that service is required. WARNING! Always engage the parking brake when powering down the vehicle if the ⴖService 4WDⴖ light is illuminated. Not engaging the parking brake may allow the vehicle to roll which may cause personal injury. NOTE: Do not attempt to make a shift while only the front or rear wheels are spinning. The NV 244 Generation II transfer case is not equipped with a synchronizer and therefore the front and rear driveshaft speeds must be equal for the shift to take place. Shifting while only the front or rear wheels are spinning can cause damage to the transfer case. When operating your vehicle in 4LO, the engine speed is approximately three times that of the AWD or 4LOCK positions at a given road speed. Take care not to over- speed the engine and do not exceed 40 km/h (25 mph). Proper operation of four-wheel-drive vehicles depends on tires of equal size, type and circumference on each wheel. Any difference in tire size can cause damage to the transfer case. Because four-wheel drive provides improved traction, there is a tendency to exceed safe turning and stopping speeds. Do not go faster than road conditions permit. STARTING AND OPERATING 255 WARNING! You or others could be injured if you leave the vehicle unattended with the transfer case in the Neutral (N) position without first fully engaging the parking brake. The transfer case Neutral (N) position disengages both the front and rear driveshafts from the powertrain and will allow the vehicle to move regardless of the transmission position. The parking brake should always be applied when the driver is not in the vehicle. For additional information on the appropriate use of each transfer case mode position see the information below: AWD Normal All-Wheel-Drive High Range - Employs inter- axle differential. Allows front and rear wheels to rotate at different speeds. All road surfaces. 256 STARTING AND OPERATING 4LOCK Four-Wheel-Drive LOCK - Locks the transfer case inter- axle differential. Forces front and rear wheels to rotate at the same speed. Additional traction for loose, slippery road surfaces only. 4LO Four-Wheel-Drive Low Range - Low speed 4 wheel drive. Locks the transfer case inter-axle differential. Forces the front and rear wheels to rotate at the same speed. Additional traction and maximum pulling power for loose, slippery road surfaces only. Do not exceed 25 mph (40 km/h). Neutral - Disengages both the front and rear driveshafts from the powertrain. To be used for flat towing behind another vehicle. See Recreational Towing for more infor- mation. Shifting Procedure - NV 244 Generation II Transfer Case NOTE: The 4x4 system will not allow shifts between AWD/ 4LOCK if the rear wheels are spinning (no traction). In this situation a position indicator light will flash and the original position indicator light will remain ON. At this time, reduce speed and stop spinning the wheels to complete the shift. There may be a delay up to 13 seconds for the shift to complete after the wheels have stopped spinning. NOTE: Delayed shifting out of the 4LOCK position may be experienced due to uneven tire wear, low tire pressure, or excessive loading. NOTE: When shifting into or out of 4LO some gear noise may be heard. This noise is normal and is not detrimental to the vehicle or occupants. Shifting can be performed with the vehicle rolling 2 to 3 mph (3 to 5 km/h) or completely stopped. USE EITHER OF THE FOLLOWING PROCEDURES: Preferred Procedure 1. With the engine RUNNING, slow vehicle to 2 to 3 mph (3 to 5 km/h). 2. Shift the transmission into NEUTRAL. STARTING AND OPERATING 257 3. While still rolling, rotate the transfer case control switch to the desired position. 4. After the position indicator light has stopped flashing, shift the transmission back into gear. Alternate Procedure 1. Bring the vehicle to complete stop. 2. With the key ON and the engine either OFF or RUNNING, shift the transmission into NEUTRAL. 3. Rotate the transfer case control switch to the desired position. 4. After the position indicator light has stopped flashing, shift the transmission back into gear. NOTE: The ignition key must be ON for a shift to take place and for the position indicator lights to be operable. If the key is not ON then the shift will not take place and no position indicator lights will be on or flashing. 258 STARTING AND OPERATING If any of the requirements to select a new NOTE: transfer case position have not been met, the transfer case will not shift. The indicator light will flash and the current transfer case position will be maintained. To retry the selection, turn the control knob back to the current position, wait five (5) seconds, and retry the shift. PARKING BRAKE The foot operated parking brake is positioned below the lower left corner of the instrument panel. To release the parking brake, pull the parking brake release handle. Be sure the parking brake is firmly set when parked and the gear-shift lever is in PARK position. When parking on a hill you should apply the Parking Brake before placing the gear shift lever in PARK; otherwise the load on the transmission locking mechanism may make it difficult to move the selector out of PARK. NOTE: The instrument cluster brake warning light indicates only that the parking brake is applied. You must be sure the parking brake is fully applied before leaving the vehicle. When parking on a hill, turn the front wheels toward the curb on a downhill grade and away from the curb on an uphill grade. The parking brake should be applied whenever the driver is not in the vehicle. STARTING AND OPERATING 259 WARNING! • Always fully apply the parking brake when leav- ing your vehicle, or vehicle may roll and cause damage or injury. Also be certain to leave an automatic transmission in Park. Failure to do so may cause the vehicle to roll and cause damage or injury. • Be sure the parking brake is fully disengaged before driving, failure to do so can lead to brake failure and an accident. • Leaving children in a vehicle unattended is dan- gerous for a number of reasons. A child or others could be injured. Children should be warned not to touch the parking brake or the gear selector lever. Don’t leave the key in the ignition. A child could operate power windows, other controls, or move the vehicle. 260 STARTING AND OPERATING BRAKE SYSTEM In the event power assist is lost for any reason, (for example, repeated brake applications with the engine off), the brakes will still function. The effort required to brake the vehicle will be significantly increased over that required with the power system operating. If either the front or rear hydraulic systems lose normal capability, the remaining system will still function with some loss of braking effectiveness. This will be evident by increased pedal travel during application, greater pedal force required to slow or stop, and activation of the Brake Warning Lamp and the ABS Lamp during brake use. Four-Wheel Anti-Lock Brake System (ABS) The Anti-Lock Brake System (ABS) is designed to aid the driver in maintaining vehicle control under adverse braking conditions. The system operates with a separate computer to modulate hydraulic pressure to prevent wheel lock-up and help avoid skidding on slippery surfaces. All vehicle wheels and tires must be the same size and type and tires must be properly inflated to produce accurate signals for the computer. WARNING! Significant over or under inflation of tires, or mixing sizes of tires or wheels on the vehicle can lead to loss of braking effectiveness. The Anti-Lock Brake System conducts a low-speed self- test at about 12 mph (20 km/h). If you have your foot lightly on the brake while this test is occurring you may feel slight pedal movement. The movement can be more apparent on ice and snow. This is normal. The Anti-Lock Brake System pump motor runs during the self-test at 12 mph (20 km/h) and during an ABS stop. The pump motor makes a low humming noise during operation, which is normal. At the instant one of the wheels is about to lock up, a slight pulsation can be felt in the brake pedal, indicating that the ABS is in the regulating mode. Keep firm and steady pressure on the brake pedal while experiencing the pulsation. Continuous, steady brake pedal pressure results in optimal braking power while maintaining the ability to steer the vehicle. In the case of an emergency brake maneuver, keep continuous full pressure on the brake pedal. In this manner only can the ABS be most effective. On slippery road surfaces, the ABS will respond even with light brake pedal pressure because of the increased likelihood of locking wheels. The pulsating brake pedal can be an indication of hazardous road conditions and functions as a reminder to take extra care while driving. STARTING AND OPERATING 261 WARNING! Anti-Lock Brake Systems contain sophisticated elec- tronic equipment. It may be susceptible to interfer- ence caused by improperly installed or high output radio transmitting equipment. This interference can cause possible loss of anti-lock braking capability. Installation of such equipment should be done by qualified professionals. WARNING! Pumping of the Anti-Lock Brakes will diminish their effectiveness and may lead to an accident. Pumping makes the stopping distance longer. Just press firmly on your brake pedal when you need to slow down or stop. 262 STARTING AND OPERATING WARNING! • Anti-lock system (ABS) cannot prevent the natu- ral laws of physics from acting on the vehicle, nor can it increase braking or steering efficiency be- yond that afforded by the condition of the vehicle brakes and tires or the traction afforded. • The ABS cannot prevent accidents, including those resulting from excessive speed in turns, following another vehicle too closely, or hydro- planing. Only a safe, attentive, and skillful driver can prevent accidents. • The capabilities of an ABS equipped vehicle must never be exploited in a reckless or dangerous manner which could jeopardize the user’s safety or the safety of others. When you are in a severe braking condition involving use of the Anti-lock Brake system, you will experience some pedal drop as the vehicle comes to a stop. This is the result of the system reverting to the base brake system. Engagement of the Anti-lock Brake System may be accompanied by a pulsing sensation. You may also hear a clicking noise. These occurrences are normal, and indi- cate that the system is functioning properly. POWER STEERING The standard power steering system will give you good vehicle response and increased ease of maneuverability in tight spaces. The system will provide mechanical steering capability if power assist is lost. If for some reason, the power assist is interrupted, it will still be possible to steer your vehicle. Under these condi- tions you will observe a substantial increase in steering effort, especially at very low vehicle speeds and during parking maneuvers. Increased noise levels at the end of the steering NOTE: wheel travel are considered normal and does not indicate that there is a problem with the power steering system. Upon initial start-up in cold weather, the power steering pump may make noise for a short period of time. This is due to the cold, thick fluid in the steering system. This noise should be considered normal, and does not in any way damage the steering system. STARTING AND OPERATING 263 WARNING! Continued operation with reduced power steering assist could pose a safety risk to yourself and others. Service should be obtained as soon as possible. CAUTION! Prolong operation of the steering system at the end of the steering wheel travel will increase the steering fluid temperature and should be avoided when possible. Damage to the power steering pump may occur. TIRE SAFETY INFORMATION Tire Markings 264 STARTING AND OPERATING ROCKING THE VEHICLE If vehicle becomes stuck in snow, sand, or mud, it can often be moved by a rocking motion. Move the gear selector rhythmically between FIRST and REVERSE, while applying slight pressure to the accelerator. The least amount of accelerator pedal pressure to main- tain the rocking motion without spinning the wheels or racing the engine is most effective. Allow the engine to idle with the transmission selector in NEUTRAL for at least one minute after every five rocking-motion cycles. This will minimize overheating and reduce the risk of transmission failure during prolonged efforts to free a stuck vehicle. NOTE: • P (Passenger)-Metric tire sizing is based on U.S. design standards. P-Metric tires have the letter “P” molded into the sidewall preceding the size designation. Ex- ample: P215/65R15 95H. • European Metric tire sizing is based on European design standards. Tires designed to this standard have the tire size molded into the sidewall beginning with the section width. The letter ⬙P⬙ is absent from this tire size designation. Example: 215/65R15 96H • LT (Light Truck)-Metric tire sizing is based on U.S. design standards. The size designation for LT-Metric tires is the same as for P-Metric tires except for the letters “LT” that are molded into the sidewall preced- ing the size designation. Example: LT235/85R16. STARTING AND OPERATING 265 • Temporary Spare tires are high pressure compact spares designed for temporary emergency use only. Tires designed to this standard have the letter “T” molded into the sidewall preceding the size designa- tion. Example: T145/80D18 103M. • High Flotation tire sizing is based on U.S. design standards and begins with the tire diameter molded into the sidewall. Example: 31x10.5 R15 LT. 266 STARTING AND OPERATING Tire Sizing Chart Size Designation: EXAMPLE: P = Passenger car tire size based on U.S. design standards ⴖ....blank....ⴖ = Passenger car tire based on European design standards LT = Light Truck tire based on U.S. design standards T = Temporary Spare tire 31 = Overall Diameter in Inches (in) 215 = Section Width in Millimeters (mm) 65 = Aspect Ratio in Percent (%) —Ratio of section height to section width of tire. 10.5 = Section Width in Inches (in) R = Construction Code —⬙R⬙ means Radial Construction. —⬙D⬙ means Diagonal or Bias Construction. 15 = Rim Diameter in Inches (in) STARTING AND OPERATING 267 Service Description: 95 = Load Index EXAMPLE: —A numerical code associated with the maximum load a tire can carry. H = Speed Symbol —A symbol indicating the range of speeds at which a tire can carry a load corresponding to its load index under certain operating conditions. —The maximum speed corresponding to the Speed Symbol should only be achieved un- der specified operating conditions. (i.e. tire pressure, vehicle loading, road conditions and posted speed limits). Load Identification: ⴖ....blank....ⴖ = Absence of any text on sidewall of the tire indicates a Standard Load (SL) Tire Extra Load (XL) = Extra Load (or Reinforced) Tire Light Load = Light Load Tire C,D,E = Load range associated with the maximum load a tire can carry at a specified pressure Maximum Load — Maximum Load indicates the maximum load this tire is designed to carry. Maximum Pressure — Maximum Pressure indicates the maximum permissible cold tire inflation pressure for this tire. 268 STARTING AND OPERATING Tire Identification Number (TIN) The TIN may be found on one or both sides of the tire however the date code may only be on one side. Tires with white sidewalls will have the full TIN including date code located on the white sidewall side of the tire. Look for the TIN on the outboard side of black sidewall tires as mounted on the vehicle. If the TIN is not found on the outboard side then you will find it on the inboard side of the tire. EXAMPLE: DOT MA L9 ABCD 0301 DOT = Department of Transportation —This symbol certifies that the tire is in compliance with the U.S. Department of Transportation tire safety standards, and is approved for highway use. MA = Code representing the tire manufacturing location. (2 digits) L9 = Code representing the tire size. (2 digits) ABCD = Code used by tire manufacturer. (1 to 4 digits) 03 = Number representing the week in which the tire was manufactured. (2 digits) —03 means the 3rd week. 01 = Number representing the year in which the tire was manufactured. (2 digits) —01 means the year 2001. —Prior to July 2000, tire manufacturers were only required to have 1 number to represent the year in which the tire was manufactured. Example: 031 could represent the 3rd week of 1981 or 1991. Tire Loading and Tire Pressure Tire and Loading Information Placard STARTING AND OPERATING 269 Tire Placard Location NOTE: The proper cold tire inflation pressure is listed on either the face of the driver’s door or the driver’s side “B” pillar. Tire and Loading Information This placard tells you important information about the: 1) number of people that can be carried in the vehicle 2) the total weight your vehicle can carry 3) the tire size designed for your vehicle 4) the cold tire inflation pressures for the front, rear and spare tires. Tire Placard Location 270 STARTING AND OPERATING Loading The vehicle maximum load on the tire must not exceed the load carrying capacity of the tire on your vehicle. You will not exceed the tire’s load carrying capacity if you adhere to the loading conditions, tire size, and cold tire inflation pressures specified on the “Tire and Loading Information” placard and in the “Vehicle Loading” sec- tion of this manual. NOTE: Under a maximum loaded vehicle condition, gross axle weight ratings (GAWR’s) for the front and rear axles must not be exceeded. For further information on GAWR’s, vehicle loading, and trailer towing, refer to the “Vehicle Loading” section of this manual. To determine the maximum loading conditions of your vehicle, locate the statement “The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs.” on the Tire and Loading Information placard. The combined weight of occupants, cargo/luggage and trailer tongue weight (if applicable) should never exceed the weight referenced here. Steps for Determining Correct Load Limit 1. Locate the statement “The combined weight of occu- pants and cargo should never exceed XXX pounds” on your vehicle’s placard. 2. Determine the combined weight of the driver and passengers that will be riding in your vehicle. 3. Subtract the combined weight of the driver and pas- sengers from XXX kilograms or XXX pounds. 4. The resulting figure equals the available amount of cargo and luggage load capacity. For example, if “XXX” amount equals 1400 lbs. and there will be five 150 lb. passengers in your vehicle, the amount of available cargo and luggage load capacity is 650 lb. (since 5 x 150 = 750, and 1400 – 750 = 650 lb.) 5. Determine the combined weight of luggage and cargo being loaded on the vehicle. That weight may not safely exceed the available cargo and luggage load capacity calculated in Step 4. 6. If your vehicle will be towing a trailer, load from your trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage load capacity of your vehicle. NOTE: The following table shows examples on how to calculate total load, cargo/luggage and towing capacities STARTING AND OPERATING 271 of your vehicle with varying seating configurations and number and size of occupants. This table is for illustra- tion purposes only and may not be accurate for the seating and load carry capacity of your vehicle. NOTE: For the following example the combined weight of occupants and cargo should never exceed 865 lbs. (392 Kg). 272 STARTING AND OPERATING WARNING! 1. Safety— STARTING AND OPERATING 273 Overloading of your tires is dangerous. Overloading can cause tire failure, affect vehicle handling, and increase your stopping distance. Use tires of the recommended load capacity for your vehicle. Never overload them. TIRES—GENERAL INFORMATION Tire Pressure Proper tire inflation pressure is essential to the safe and satisfactory operation of your vehicle. Three primary areas are affected by improper tire pressure: WARNING! Improperly inflated tires are dangerous and can cause accidents. • Under inflation increases tire flexing and can result in tire failure. • Over inflation reduces a tire’s ability to cushion shock. Objects on the road and chuck holes can cause damage that results in tire failure. • Unequal tire pressures can cause steering problems. You could lose control of your vehicle. • Over inflated or under inflated tires can affect vehicle handling and can fail suddenly, resulting in loss of vehicle control. • Unequal tire pressures from one side of the vehicle to the other can cause the vehicle to drift to the right or left. Always drive with each tire inflated to the recom- mended cold tire inflation pressure. 274 STARTING AND OPERATING 2. Economy— Improper inflation pressures can cause uneven wear patterns to develop across the tire tread. These abnormal wear patterns will reduce tread life resulting in a need for earlier tire replacement. Underinflation also increases tire rolling resistance and results in higher fuel consumption. 3. Ride Comfort and Vehicle Stability— Proper tire inflation contributes to a comfortable ride. Overinflation produces a jarring and uncomfortable ride. Tire Inflation Pressures The proper cold tire inflation pressure is listed on either the face of the driver’s door or the driver’s side “B” pillar. Some vehicles may have Supplemental Tire Pressure Information for vehicle loads that are less than the maximum loaded vehicle condition. These pressure con- ditions will be found in the “Supplemental Tire Pressure Information” section of this manual. Tire Placard Location The pressure should be checked and adjusted as well as inspecting for signs of tire wear or visible damage at least once a month. Use a good quality pocket-type gauge to check tire pressure. Do not make a visual judgement when determining proper inflation. Radial tires may look properly inflated even when they are under inflated. CAUTION! After inspecting or adjusting the tire pressure, al- ways reinstall the valve stem cap–if equipped. This will prevent moisture and dirt from entering the valve stem, which could damage the valve stem. Inflation pressures specified on the placard are always “cold tire inflation pressure”. Cold tire inflation pressure is defined as the tire pressure after the vehicle has not been driven for at least 3 hours, or driven less than 1 mile (1 km) after a 3 hour period. The cold tire inflation pressure must not exceed the maximum inflation pres- sure molded into the tire side wall. Check tire pressures more often if subject to a wide range of outdoor temperatures, as tire pressures vary with temperature changes. STARTING AND OPERATING 275 Tire pressures change by approximately 1 psi (7 kPa) per 12° F (7° C) of air temperature change. Keep this in mind when checking tire pressure inside a garage, especially in the winter. Example: If garage temperature = 68° F (20° C) and the outside temperature = 32° F (0° C) then the cold tire inflation pressure should be increased by 3 psi (21 kPa), which equals 1 psi (7 kPa) for every 12° F (7° C) for this outside temperature condition. Tire pressure may increase from 2 to 6 psi (13 to 40 kPa) during operation. DO NOT reduce this normal pressure build up or your tire pressure will be too low. Tire Pressures for High Speed Operation The manufacturer advocates driving at safe speeds within posted speed limits. Where speed limits or condi- tions are such that the vehicle can be driven at high speeds, maintaining correct tire inflation pressure is very important. Increased tire pressure and reduced vehicle 276 STARTING AND OPERATING loading may be required for high speed vehicle opera- tion. Refer to original equipment or an authorized tire dealer for recommended safe operating speeds, loading and cold tire inflation pressures. WARNING! High speed driving with your vehicle under maxi- mum load is dangerous. The added strain on your tires could cause them to fail. You could have a serious accident. Don’t drive a vehicle loaded to the maximum capacity at continuous speeds above 75 mph (120 km/h). Radial-Ply Tires WARNING! Combining radial ply tires with other types of tires on your vehicle will cause your vehicle to handle poorly. The instability could cause an accident. Al- ways use radial ply tires in sets of four (or 6, in case of trucks with dual rear wheels). Never combine them with other types of tires. Cuts and punctures in radial tires are repairable only in the tread area because of sidewall flexing. Consult your authorized tire dealer for radial tire repairs. Compact Spare Tire — If Equipped The compact spare is for temporary emergency use with radial tires. It is engineered to be used on your style vehicle only. Since this tire has limited tread life, the original tire should be repaired (or replaced) and rein- stalled at the first opportunity. Do not install a wheel cover or attempt to mount a conventional tire on the compact spare wheel, since the wheel is designed specifically for the compact spare. Do not install more than one compact spare tire/wheel on the vehicle at any given time. STARTING AND OPERATING 277 WARNING! Temporary use spare tires are for emergency use only. With these tires, do not drive more than 50 mph (80 km/h). Temporary-use spare tires have limited tread life. When the tread is worn to the tread wear indicators, the temporary use spare tire needs to be replaced. Be sure to follow the warnings which apply to your spare. Failure to do so could result in spare tire failure and loss of vehicle control. CAUTION! Because of the reduced ground clearance, do not take your vehicle through an automatic car wash with the compact spare installed. Damage to the vehicle may result. 278 STARTING AND OPERATING Limited Use Spare — If Equipped The limited use spare tire is for temporary emergency use on your vehicle. This tire is identified by a limited use spare tire warning label located on the limited use spare tire and wheel assembly. This tire may look like the original equipped tire on the front or rear axle of your vehicle, but it is not. Installation of this limited use spare tire affects vehicle handling. Since it is not the same tire, replace (or repair) the original tire and reinstall on the vehicle at the first opportunity. WARNING! The limited use spare tires are for emergency use only. Installation of this limited use spare tire affects vehicle handling. With this tire, do not drive more than 60 mph (100 km/h). Keep inflated to the cold tire inflation pressure listed on either your tire placard or limited use spare tire and wheel assembly. Replace (or repair) the original tire at the first opportunity and reinstall it on your vehicle. Failure to do so could result in loss of vehicle control. Tire Spinning When stuck in mud, sand, snow, or ice conditions, do not spin your vehicle’s wheels above 35 mph (55 km/h). See the paragraph on Freeing A Stuck Vehicle in Section 6 of this manual. WARNING! Fast spinning tires can be dangerous. Forces gener- ated by excessive wheel speeds may cause tire dam- age or failure. A tire could explode and injure someone. Do not spin your vehicle’s wheels faster than 35 mph (55 km/h) when you are stuck. And don’t let anyone near a spinning wheel, no matter what the speed. Tread Wear Indicators Tread wear indicators are in the original equipment tires to help you in determining when your tires should be replaced. STARTING AND OPERATING 279 These indicators are molded into the bottom of the tread grooves and will appear as bands when the tread depth becomes 1/16 inch (2 mm). When the tread is worn to the tread wear indicators, the tire should be replaced. Many states have laws requiring tire replacement at this point. 280 STARTING AND OPERATING Life of Tire The service life of a tire is dependent upon varying factors including but not limited to: • Driving style • Tire pressure • Distance driven WARNING! Tires and spare tire should be replaced after six years, regardless of the remaining tread. Failure to follow this warning can result in sudden tire failure. You could lose control and have an accident result- ing in serious injury or death. Keep unmounted tires in a cool, dry place with as little exposure to light as possible. Protect tires from contact with oil, grease and gasoline. Replacement Tires The tires on your new vehicle provide a balance of many characteristics. They should be inspected regularly for wear and correct cold tire inflation pressure. The manu- facturer strongly recommends that you use tires equiva- lent to the originals in size, quality and performance when replacement is needed (see the paragraph on tread wear indicators). Refer to the Tire and Loading Informa- tion placard for the size designation of your tire. The service description and load identification will be found on the original equipment tire. Failure to use equivalent replacement tires may adversely affect the safety, han- dling, and ride of your vehicle. We recommend that you contact your original equipment or an authorized tire dealer with any questions you may have on tire specifi- cations or capability. WARNING! • Do not use a tire, wheel size or rating other than that specified for your vehicle. Some combinations of unapproved tires and wheels may change sus- pension dimensions and performance characteris- tics, resulting in changes to steering, handling, and braking of your vehicle. This can cause unpredict- able handling and stress to steering and suspen- sion components. You could lose control and have an accident resulting in serious injury or death. Use only the tire and wheel sizes with load ratings approved for your vehicle. • Never use a tire with a smaller load index or capacity, other than what was originally equipped on your vehicle. Using a tire with a smaller load index could result in tire overloading and failure. You could lose control and have an accident. • Failure to equip your vehicle with tires having adequate speed capability can result in sudden tire failure and loss of vehicle control. STARTING AND OPERATING 281 CAUTION! Replacing original tires with tires of a different size may result in false speedometer and odometer read- ings. Alignment And Balance Poor suspension alignment may result in: • Fast tire wear. • Uneven tire wear, such as feathering and one-sided • Vehicle pull to right or left. Tires may also cause the vehicle to pull to the left or right. Alignment will not correct this condition. See your dealer for proper diagnosis. wear. 282 STARTING AND OPERATING Improper alignment will not cause vehicle vibration. Vibration may be a result of tire and wheel out-of- balance. Proper balancing will reduce vibration and avoid tire cupping and spotty wear. SUPPLEMENTAL TIRE PRESSURE INFORMATION – IF EQUIPPED A light load vehicle condition is defined as two passen- gers {150 lbs (68 kg) each} plus 200 lbs (91kg) of cargo. Cold tire inflation pressures for a lightly loaded vehicle will be found on the face of the driver’s door. TIRE CHAINS Use “Class S” chains on Durango, or other traction aids that meet SAE Type “S” specifications. NOTE: Chains must be the proper size for the vehicle, as recommended by the chain manufacturer. CAUTION! To avoid damage to your vehicle, tires or chains, observe the following precautions: • Because of limited chain clearance between tires and other suspension components, it is important that only chains in good condition are used. Broken chains can cause serious vehicle damage. Stop the vehicle immedi- ately if noise occurs that could suggest chain breakage. Remove the damaged parts of the chain before further use. • Install chains as tightly as possible and then retighten • Do not exceed 45 mph (72 km/h). • Drive cautiously and avoid severe turns and large • Do not install tire chains on front wheels of 4x2 vehicles. • Do not drive for a prolonged period on dry pavement. • Observe the tire chain manufacturer’s instructions on method of installation, operating speed, and conditions for usage. Always use the lower suggested operating speed of the chain manufacturer if different than the speed recommended by the manufacturer. bumps, especially with a loaded vehicle. after driving about 1/2 mile (0.8 km). STARTING AND OPERATING 283 SNOW TIRES Snow tires should be of the same size and type construc- tion as the front tires. Consult the manufacturer of the snow tire to determine any maximum vehicle speed requirement associated with the tire. These tires should always be operated at the vehicle maximum capacity inflation pressures under any load condition. While studded tires improve performance on ice, skid and traction capability on wet or dry surfaces may be poorer than that of non-studded tires. Some states pro- hibit studded tires; local laws should be checked before using these tire types. therefore, These cautions apply to all chain traction devices, includ- ing link and cable (radial) chains. Tire chain use is permitted only on the rear tires of Durango trucks. NOTE: The use of class “S” chains is permitted on Durangos with P245/70R17 tires. CAUTION! Do not use tire chains on 4x4 Durango trucks equipped with tires other than P245/70R17 tires. There may not be adequate clearance for the chains and you are risking structural or body damage to your vehicle. Do not use tire chains on the 4X2 front wheels of Durango models. There may not be ad- equate clearance for the chains and you are risking structural or body damage to your vehicle. 284 STARTING AND OPERATING TIRE ROTATION RECOMMENDATIONS Tires on the front and rear axles of vehicles operate at different loads and perform different steering, driving, and braking functions. For these reasons, they wear at unequal rates and tend to develop irregular wear pat- terns. These effects can be reduced by timely rotation of tires. The benefits of rotation are especially worthwhile with aggressive tread designs such as those on all season type tires. Rotation will increase tread life, help to main- tain mud, snow and wet traction levels, and contribute to a smooth, quiet ride. Follow the recommended tire rotation frequency for your type of driving found in the “Maintenance Schedules” Section of this manual. More frequent rotation is permis- sible if desired. The reasons for any rapid or unusual wear should be corrected prior to rotation being per- formed. FUEL REQUIREMENTS All engines (except 5.7L engines) are de- signed to meet all emissions regulations and provide excellent fuel economy and performance when using high quality un- leaded “regular” gasoline having an oc- tane rating of 87. The routine use of pre- mium gasoline is not recommended. Under normal conditions the use of premium fuel will not provide a benefit over high quality regular gasolines and in some circumstances may result in poorer perfor- mance. 3.7L/4.7L Engines The 5.7L engine is designed to meet all emissions regulations and provide satisfac- tory fuel economy and performance when using high quality unleaded gasoline hav- ing an octane range of 87 to 89. The manu- facturer recommends the use of 89 octane for optimum performance.The routine use 5.7L Engines STARTING AND OPERATING 285 of premium gasoline is not recommended. The use of premium gasoline will provide no benefit over high quality regular and mid-grade gasolines, and in some circumstances may result in poorer performance. Light spark knock at low engine speeds is not harmful to your engine. However, continued heavy spark knock at high speeds can cause damage and immediate service is required. Poor quality gasoline can cause problems such as hard starting, stalling and hesitations. If you experience these symptoms, try another brand of “regular” gasoline be- fore considering service for the vehicle. Over 40 auto manufacturers world-wide have issued and endorsed consistent gasoline specifications (the World- wide Fuel Charter, WWFC) to define fuel properties necessary to deliver enhanced emissions, performance 286 STARTING AND OPERATING and durability for your vehicle. We recommend the use of gasolines that meet the WWFC specifications if they are available. Reformulated Gasoline Many areas of the country require the use of cleaner burning gasoline referred to as “Reformulated Gasoline.” Reformulated gasolines contain oxygenates, and are spe- cifically blended to reduce vehicle emissions and im- prove air quality. We strongly support the use of reformulated gasolines. Properly blended reformulated gasolines will provide excellent performance and durability for the engine and fuel system components. Gasoline/Oxygenate Blends Some fuel suppliers blend unleaded gasoline with oxy- genates such as 10% ethanol, MTBE and ETBE. Oxygen- ates are required in some areas of the country during the winter months to reduce carbon monoxide emissions. Fuels blended with these oxygenates may be used in your vehicle. CAUTION! DO NOT use gasolines containing METHANOL. Gasoline containing methanol may damage critical fuel system components. MMT In Gasoline MMT is a manganese-containing metallic additive that is blended into some gasoline to increase octane. Gasolines blended with MMT provide no performance advantage beyond gasolines of the same octane number without MMT. Gasolines blended with MMT reduce spark plug life and reduce emission system performance. We recom- mend that gasolines free of MMT be used in your vehicle. The MMT content of gasoline may not be indicated on the gasoline pump; therefore, you should ask your gaso- line retailer whether or not his/her gasoline contains MMT. It is even more important to look for gasolines without MMT in Canada because MMT can be used at levels higher than allowed in the United States. MMT is pro- hibited in Federal and California reformulated gasolines. STARTING AND OPERATING 287 Materials Added To Fuel All gasolines sold in the United States are required to contain effective detergent additives. Use of additional detergents or other additives is not needed under normal conditions and would result in unnecessary cost. There- fore, you should not have to add anything to the fuel. ADDING FUEL If fuel is poured from a portable container, the NOTE: container should have a flexible nozzle long enough to extend into the fuel filler tube. CAUTION! To avoid fuel spillage and overfilling, do not “top off” the fuel tank after filling. NOTE: When the fuel nozzle “clicks” or shuts off, the fuel tank is full. 288 STARTING AND OPERATING NOTE: Tighten the gas cap until you hear a “clicking” sound. This is an indication that the gas cap is properly tightened. Make sure that the gas cap is tightened each time the vehicle is refueled. WARNING! A fire may result if gasoline is pumped into a portable container that is inside of a vehicle or on a truck bed. You could be burned. Always place gas containers on the ground while filling. Fuel Filler Cap (Gas Cap) The gas cap is behind the fuel filler door. If the gas cap is lost or damaged, be sure the replacement cap is for use with this vehicle. NOTE: To avoid contact between fuel cap and paint, hang tether strap over hook provided on inner fuel door. NOTE: After fuel is added, the vehicle diagnostic sys- tem can determine if the fuel filler cap is loose, improp- erly installed, or damaged. A loose fuel filler cap message will be displayed in the instrument cluster. Tighten the gas cap until a ⬙clicking⬙ sound is heard. This is an indication that the gas cap is properly tightened. Press the odometer reset button to turn the message off. If the problem persists, the message will appear the next time the vehicle is started. This might indicate a damaged cap. If the problem is detected twice in a row, the system will turn on the Malfunction Indicator Light (MIL). Resolving the problem will turn the MIL light off. CAUTION! Fuel System Cautions STARTING AND OPERATING 289 Damage to the fuel system or emission control system could result from using an improper fuel tank filler tube cap (gas cap). A poorly fitting cap could let impurities into the fuel system. WARNING! • Never allow any lit smoking materials near the vehicles while removing the cap or filling the tank. • Never add fuel to the vehicle when the engine is running. CAUTION! Follow these guidelines to maintain your vehicle’s performance: • The use of leaded gas is prohibited by Federal law. Using • An out-of-tune engine, or certain fuel or ignition malfunc- leaded gasoline can impair engine performance, damage the emission control system. tions, can cause the catalytic converter to overheat. If you notice a pungent burning odor or some light smoke, your engine may be out of tune or malfunctioning and may require immediate service. Contact your dealer for service assistance. • When pulling a heavy load or driving a fully loaded vehicle when the humidity is low and the temperature is high, use a premium unleaded fuel to help prevent spark knock. If spark knock persists, lighten the load, or engine piston damage may result. • The use of fuel additives which are now being sold as octane enhancers is not recommended. Many of these products contain high concentrations of methanol. Fuel system damage or vehicle performance problems resulting from the use of such fuels or additives is not the responsibility of the manufacturer. 290 STARTING AND OPERATING NOTE: systems can result against you. Intentional tampering with emissions control in civil penalties being assessed Carbon Monoxide Warnings WARNING! Carbon monoxide (CO) in exhaust gases is deadly. Follow the precautions below to prevent carbon monoxide poisoning: • Do not inhale exhaust gases. They contain carbon mon- oxide, a colorless and odorless gas which can kill. Never run the engine in a closed area, such as a garage, and never sit in a parked vehicle with the engine running for an extended period. If the vehicle is stopped in an open area with the engine running for more than a short period, adjust the ventilation system to force fresh, outside air into the vehicle. • Guard against carbon monoxide with proper mainte- nance. Have the exhaust system inspected every time the vehicle is raised. Have any abnormal conditions repaired promptly. Until repaired, drive with all side windows fully open. • Keep the liftgate closed when driving your vehicle to prevent carbon monoxide and other poisonous exhaust gases from entering the vehicle. CATALYTIC CONVERTER The catalytic converter requires the use of unleaded fuel only. Leaded gasoline will destroy the effectiveness of the catalyst as an emission control device. Under normal operating conditions, the catalytic converter will not require maintenance. However, you must keep the en- gine maintained to assure proper operation and prevent possible damage. NOTE: systems can result against you. Intentional tampering with emissions control in civil penalties being assessed STARTING AND OPERATING 291 CAUTION! Damage to the catalytic converter can result if your vehicle is not kept in proper operating condition. In the event of engine malfunction, particularly involv- ing engine misfire or other apparent loss of perfor- mance, have your vehicle serviced promptly. Contin- ued operation of your vehicle with a severe malfunction could cause the converter to overheat, resulting in possible damage to the converter and vehicle. As with any vehicle, do not park or operate this vehicle in areas where combustible materials such as grass or leaves can come in contact with a hot exhaust system. A scorching odor may be detected if you continue to run a malfunctioning engine. The odor may indicate severe and abnormal catalyst overheating. If this occurs, the 292 STARTING AND OPERATING vehicle should be stopped, the engine shut off and the vehicle allowed to cool. Service, including a tune-up to manufacturer’s specifications should be obtained imme- diately. To minimize the possibility of catalyst damage: • Do not shut off the engine or interrupt the ignition when the transmission is in gear and the vehicle is in motion. • Do not try to start engine by pushing or towing the • Do not idle the engine with any spark plug wires disconnected or removed, such as when diagnostic testing, or for prolonged periods during very rough idling or malfunctioning operating conditions. vehicle. VEHICLE LOADING Certification Label As required by National Highway Traffic Safety Admin- istration Regulations, your vehicle has a certification label affixed to the driver’s side door. This label contains the month and year of manufacture, Gross Vehicle Weight Rating (GVWR), Gross Axle Weight Rating (GAWR) front and rear, and Vehicle Identification Number (VIN). A Month-Day-Hour (MDH) number is included on this label and shows the Month, Day, and Hour of manufacture. The bar code that appears on the bottom of the label is your Vehicle Identification Number (VIN). Gross Vehicle Weight Rating (GVWR) The GVWR is the total permissible weight of your vehicle including driver, passengers, vehicle, options, and cargo. The label also specifies maximum capacities of front and rear axle systems. Total load must be limited so that GVWR is not exceeded. Payload The payload of a vehicle is defined as the allowable load weight a truck can carry including the weight of the driver, all passengers, options, and cargo. STARTING AND OPERATING 293 Gross Axle Weight Rating (GAWR) The GAWR is the maximum permissible load on the front and rear axles. The load must be distributed in the cargo area so that the GAWR of each axle is not exceeded. Each axle GAWR is determined by the component in the system with the lowest load carrying capacity (axle, springs, tires, or wheels). Heavier axles or suspension components sometimes specified by purchasers for increased durability do not necessarily increase the vehicle’s GVWR. Tire Size This is the minimum allowable tire size for your vehicle. Replacement tires must be equal to the load capacity of this tire size. Rim Size This is the rim size that is appropriate for the tire size listed. 294 STARTING AND OPERATING Inflation Pressure (Cold) This is the cold tire inflation pressure for your vehicle for all loading conditions up to full GAWR. Curb Weight The curb weight of a vehicle is defined as the total weight of the vehicle with all fluids, including vehicle fuel, at full capacity conditions, and with no occupants or cargo loaded into the vehicle. The front and rear curb weight values are determined by weighing your vehicle on a commercial scale before any occupants or cargo are added. Loading The actual total weight and the weight of the front and rear of your vehicle at the ground can best be determined by weighing it when it is loaded and ready for operation. The entire vehicle should first be weighed on a commer- cial scale to insure that the GVWR has not been exceeded. The weight on the front and rear of the vehicle should then be determined separately to be sure that the load is properly distributed over front and rear axle. Weighing the vehicle may show that the GAWR of either the front or rear axles has been exceeded but the total load is within the specified GVWR. If so, weight must be shifted from front to rear or rear to front as appropriate until the specified weight limitations are met. Store heavier items down low and be sure that the weight is distributed equally. Stow all loose items securely before driving. Improper weight distribution can have an adverse effect on the way your vehicle steers and handles and the way the brakes operate. STARTING AND OPERATING 295 after the vehicle has been weighed both in its ⴖcurb weightⴖ condition, and in its ⴖloaded and ready for operationⴖ condition. Gross Vehicle Weight Rating (GVWR) 6500 LBS. WARNING! Do not load your vehicle any heavier than the GVWR or the maximum front and rear GAWR. If you do, parts on your vehicle can break, or it can change the way your vehicle handles. This could cause you to lose control. Also, overloading can shorten the life of your vehicle. A loaded vehicle is shown in the following example. Note that neither GVWR nor GAWR capabilities are exceeded. Overloading can cause potential safety hazards and shorten service life. NOTE: The weights shown in this chart are not the weights for your vehicle. Also, the amount of load added to both the front and rear axles can be computed 296 STARTING AND OPERATING TRAILER TOWING In this section you will find safety tips and information on limits to the type of towing you can reasonably do with your vehicle. Before towing a trailer carefully re- view this information to tow your load as efficiently and safely as possible. To maintain warranty coverage, follow the requirements and recommendations in this manual concerning ve- hicles used for trailer towing. Common Towing Definitions The following trailer towing related definitions will assist you in understanding the following information: Gross Vehicle Weight Rating (GVWR) The GVWR is the total allowable weight of your vehicle. This includes driver, passengers, cargo and tongue weight. The total load must be limited so that you do not exceed the GVWR. Gross Trailer Weight (GTW) The gross trailer weight (GTW) is the weight of the trailer plus the weight of all cargo, consumables and equipment (permanent or temporary) loaded in or on the trailer in its ⬙loaded and ready for operation⬙ condition. The recom- mended way to measure GTW is to put your fully loaded trailer on a vehicle scale. The entire weight of the trailer must be supported by the scale. Gross Combination Weight Rating (GCWR) The gross combination weight rating (GCWR) is the total permissible weight of your vehicle and trailer when weighed in combination. (Note that GCWR ratings in- clude a 68 kg (150 lbs) allowance for the presence of a driver). Gross Axle Weight Rating (GAWR) The GAWR is the maximum capacity of the front and rear axles. Distribute the load over the front and rear axles evenly. Make sure that you do not exceed either front or rear GAWR. WARNING! It is important that you do not exceed the maximum front or rear GAWR. A dangerous driving condition can result if either rating is exceeded. You could lose control of the vehicle and have an accident. Tongue Weight (TW) The downward force exerted on the hitch ball by the trailer. In most cases it should not be less than 10% or more than 15% of the trailer load. You must consider this as part of the load on your vehicle. STARTING AND OPERATING 297 Frontal Area The maximum height and maximum width of the front of a trailer. Trailer Sway Control The trailer sway control is a telescoping link that can be installed between the hitch receiver and the trailer tongue that typically provides adjustable friction associated with the telescoping motion to dampen any unwanted trailer swaying motions while traveling. Weight-Carrying Hitch A weight-carrying hitch supports the trailer tongue weight, just as if it were luggage located at a hitch ball or some other connecting point of the truck. These kind of hitches are the most popular on the market today and they’re commonly used to tow small- and medium-sized trailers. 298 STARTING AND OPERATING Weight-Distributing Hitch A weight-distributing hitch includes a receiver attached to the tow vehicle, plus a removable hitch head and spring bar assembly that fits into the receiver opening and hook up brackets that connect the spring bars to the trailer frame. Fifth-Wheel Hitch A special high platform with a coupling that mounts over the rear axle of the tow vehicle in the truck bed. Connects a vehicle and fifth-wheel trailer with a coupling king pin. Gooseneck Hitch The gooseneck hitch employs a pivoted coupling arm which attaches to a ball mounted in the bed of a pickup truck. The coupling arm connects to the hitch mounted over the rear axle in the truck bed. Trailer Hitch Classification The rear bumper is intended to tow trailers up to 2,000 lbs (907 kg) without added equipment or alterations to the standard equipment. Your vehicle may be factory equipped for safe towing of trailers weighing over 2,000 lbs (907 kg) with the optional Trailer Tow Prep Package. See your dealer for package content. The following chart provides the industry standard for the maximum trailer weight a given trailer hitch class can tow and should be used to assist you in selecting the correct trailer hitch for your intended towing condition. Refer to “Trailer Towing Weights (Maximum Trailer Weight Ratings)” for the website address that contains the necessary information for your specific drivetrain. Trailer Hitch Classification Class Max. GTW (Gross Trailer Wt.) 2,000 lbs (907 kg) 3,500 lbs (1587 kg) Class I - Light Duty Class II - Medium Duty Class III - Heavy Duty Class IV - Extra Heavy Duty Fifth Wheel/ Gooseneck All trailer hitches should be professionally installed on your vehicle. 5,000 lbs (2268 kg) 10,000 lbs (4540 kg) Greater than 10,000 lbs (4540 kg) STARTING AND OPERATING 299 Trailer Towing Weights (Maximum Trailer Weight Ratings) NOTE: For additional trailer towing information (maxi- mum trailer weight ratings) refer to the following website addresses: • http:// www.dodge.com/towing. • http:// www.dodge.ca (Canada). Trailer and Tongue Weight Always load a trailer with 60% to 65% of the weight in the front of the trailer. This places 10% to 15% of the Gross Trailer Weight (GTW) on the tow hitch of your vehicle. Loads balanced over the wheels or heavier in the rear can cause the trailer to sway severely side to side which will cause loss of control of vehicle and trailer. Failure to load trailers heavier in front is the cause of many trailer accidents. 300 STARTING AND OPERATING Never exceed the maximum tongue weight stamped on your bumper or trailer hitch. Consider the following items when computing the weight on the rear axle of the vehicle: • The tongue weight of the trailer. put in or on your vehicle. • The weight of any other type of cargo or equipment • The weight of the driver and all passengers. NOTE: Remember that everything put into or on the trailer adds to the load on your vehicle. Also, additional factory-installed options, or dealer-installed options, must be considered as part of the total load on your vehicle. Refer to the Tire and Loading Information plac- ard in the Tire Safety Information Section of this manual. Towing Requirements To promote proper break-in of your new vehicle driv- etrain components the following guidelines are recom- mended: CAUTION! • Avoid towing a trailer for the first 500 miles (805 km) of vehicle operation. Doing so may damage your vehicle. • During the first 500 miles (805 km) of trailer towing, limit your speed to 50 mph (80 km/h). Perform the maintenance listed in Section 8 of this manual. When towing a trailer, never exceed the GAWR, or GCWR, ratings. STARTING AND OPERATING 301 WARNING! Improper towing can lead to an injury accident. Follow these guidelines to make your trailer towing as safe as possible: Make certain that the load is secured in the trailer and will not shift during travel. When trailering cargo that is not fully secured, dynamic load shifts can occur that may be difficult for the driver to control. You could lose control of your vehicle and have an accident. • When hauling cargo or towing a trailer, do not over- load your vehicle or trailer. Overloading can cause a loss of control, poor performance or damage to brakes, axle, engine, transmission, steering, suspension, chas- sis structure or tires. 302 STARTING AND OPERATING • Safety chains must always be used between your vehicle and trailer. Always connect the chains to the frame or hook retainers of the vehicle hitch. Cross the chains under the trailer tongue and allow enough slack for turning corners. • Vehicles with trailers should not be parked on a grade. When parking, apply the parking brake on the tow vehicle. Put the tow vehicle automatic transmission in P for Park. With a manual transmission, shift the transmission into reverse. And with four-wheel-drive vehicles, make sure the transfer case is not in neutral. Always, block or ⬙chock⬙ the trailer wheels. • GCWR must not be exceeded. • Total weight must be distributed between the tow vehicle and the trailer such that the following four ratings are not exceeded: 1. GVWR 2. GTW 3. GAWR 4. Tongue weight rating for the trailer hitch utilized (This requirement may limit the ability to always achieve the 10% to 15% range of tongue weight as a percentage of total trailer weight). Towing Requirements — Tires − Do not attempt to tow a trailer while using a compact spare tire. − Proper tire inflation pressures are essential to the safe and satisfactory operation of your vehicle. Refer to the Tires–General Information section of this manual on Tire Pressures for proper tire inflation procedures. − Also, check the trailer tires for proper tire inflation pressures before trailer usage. − Check for signs of tire wear or visible tire damage before towing a trailer. Refer to the Tires–General Information section of this manual on Tread Wear Indicators for the proper inspection procedure. − When replacing tires refer to the Tires–General Infor- mation section of this manual on Replacement Tires for proper tire replacement procedures. Replacing tires with a higher load carrying capacity will not increase the vehicle’s GVWR and GAWR limits. Towing Requirements — Trailer Brakes − Do not interconnect the hydraulic brake system or vacuum system of your vehicle with that of the trailer. This could cause inadequate braking and possible personal injury. − An electronically actuated trailer brake controller is required when towing a trailer with electronically STARTING AND OPERATING 303 actuated brakes. When towing a trailer equipped with a hydraulic surge actuated brake system, an electronic brake controller is not required. − Trailer brakes are recommended for trailers over 1,000 lbs (454 kg) and required for trailers in excess of 2,000 lbs (907 kg). CAUTION! If the trailer weighs more than 1,000 lbs (454 kg) loaded, it should have its own brakes and they should be of adequate capacity. Failure to do this could lead to accelerated brake lining wear, higher brake pedal effort, and longer stopping distances. 304 STARTING AND OPERATING WARNING! Do not connect trailer brakes to your vehicle’s hy- draulic brake lines. It can overload your brake sys- tem and cause it to fail. You might not have brakes when you need them and could have an accident. Towing any trailer will increase your stopping dis- tance. When towing you should allow for additional space between your vehicle and the vehicle in front of you. Failure to do so could result in an accident. Towing Requirements — Trailer Lights & Wiring Whenever you pull a trailer, regardless of the trailer size, stop lights and turn signals on the trailer are required for motoring safety. The Trailer Tow Package may include a 4 and 7 pin wiring harness. Use a factory approved trailer harness and connector. NOTE: Do not cut or splice wiring into the vehicles wiring harness. The electrical connections are all complete to the vehicle but you must mate the harness to a trailer connector. Refer to the following illustrations. 4 - Pin Connector STARTING AND OPERATING 305 If using a manual transmission vehicle for trailer towing, all starts must be in FIRST gear to avoid excessive clutch slippage. Towing Tips — Automatic Transmission The “D” range can be selected when towing. However, if frequent shifting occurs while in this range, the “TOW HAUL” or “OD/OFF” range should be selected. NOTE: Using the “TOW HAUL” or “OD/OFF” range while operating the vehicle under heavy operating con- ditions will improve performance and extend transmis- sion life by reducing excessive shifting and heat build up. This action will also provide better engine braking. The automatic transmission fluid and filter should be changed if you REGULARLY tow a trailer for more than 45 minutes of continuous operation. See Schedule “B” in section 8 of this manual for transmission fluid change intervals. 7- Pin Connector Towing Tips Before setting out on a trip, practice turning, stopping and backing the trailer in an area away from heavy traffic. 306 STARTING AND OPERATING NOTE: Check the automatic transmission fluid level before towing. Towing Tips — Tow/Haul (If Equipped) To reduce potential for automatic transmission overheat- ing, turn the “TOW HAUL OD/OFF” feature ON when driving in hilly areas or shift the transmission to Drive position 2 on more severe grades. Towing Tips — Electronic Speed Control (If Equipped) − Don’t use in hilly terrain or with heavy loads. − When using the speed control, if you experience speed drops greater than 10 mph (16 km/h), disengage until you can get back to cruising speed. − Use speed control in flat terrain and with light loads to maximize fuel efficiency.

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2006 Dodge Durango Owners Manual