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either heater or climate control performance. See Dual Automatic Climate Control System on page 8-3. The high voltage battery pack charge is low and requires recharging.


. Auto stop time is greater than


two minutes.


Engine Heater The engine coolant heater, if equipped, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coolant heater at least four hours before starting the vehicle. An internal thermostat in the plug end of the cord will prevent engine coolant heater operation at temperatures above −18°C (0°F). To Use the Engine Coolant Heater 1. Turn off the engine. 2. Open the hood and unwrap the


electrical cord. The electrical cord is on the driver side of the engine compartment, between the fender and the engine compartment fuse block.


3. Plug it into a normal, grounded


110-volt AC outlet.


Driving and Operating


9-23


{ Warning Plugging the cord into an ungrounded outlet could cause an electrical shock. Also, the wrong kind of extension cord could overheat and cause a fire. You could be seriously injured. Plug the cord into a properly grounded three-prong 110-volt AC outlet. If the cord will not reach, use a heavy-duty three-prong extension cord rated for at least 15 amps.


4. Before starting the engine, be


sure to unplug and store the cord as it was before to keep it away from moving engine parts. The length of time the heater should remain plugged in depends on several factors. Ask a dealer in the area where you will be parking the vehicle for the best advice on this.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (24,1)


9-24


Driving and Operating


Retained Accessory Power (RAP) These vehicle accessories can be used for up to 10 minutes after the engine is turned off: . Audio System . Power Windows . Sunroof (if equipped) These features continue to work up to 10 minutes after the ignition is turned to LOCK/OFF. The power windows and sunroof will work until any door is opened. The radio continues to work until the driver door is opened. All these features operate when the key is in ON/RUN or ACC/ ACCESSORY.


Shifting Into Park 1. Hold the brake pedal down and


set the parking brake. See Parking Brake on page 9-31.


2. Move the shift lever into P (Park)


by holding in the button on the shift lever and pushing the shift lever all the way toward the front of the vehicle.


3. Turn the ignition key to


4.


LOCK/OFF. If equipped, remove the key and take it with you. If you can leave the vehicle with the ignition key in your hand, the vehicle is in P (Park).


Leaving the Vehicle with the Engine Running


{ Warning


It can be dangerous to leave the vehicle with the engine running. It could overheat and catch fire. It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll.


(Continued)


Warning (Continued)


Do not leave the vehicle when the engine is running. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and move the shift lever to P (Park). See Shifting Into Park on page 9-24.


If you have to leave the vehicle with the engine running, be sure the vehicle is in P (Park) and the parking brake is firmly set before you leave it. After you have moved the shift lever into P (Park), hold the regular brake pedal down. Then, see if you can move the shift lever away from P (Park) without first pushing the button. If you can, it means that the shift lever was not fully locked in P (Park).


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (25,1)


Torque Lock Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the transmission. This happens when parking on a hill and shifting the transmission into P (Park) is not done properly, then it is difficult to shift out of P (Park). To prevent torque lock, set the parking brake and then shift into P (Park). To find out how, see “Shifting Into Park” listed previously. If torque lock does occur, your vehicle may need to be pushed uphill by another vehicle to relieve the parking pawl pressure, so you can shift out of P (Park). If you are towing a trailer and parking on a hill, see Driving Characteristics and Towing Tips on page 9-61.


Driving and Operating


9-25


Shifting out of Park This vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to: . Prevent ignition key removal (if equipped) unless the shift lever is in P (Park) with the shift lever button fully released.


To shift out of P (Park): 1. Apply the brake pedal. 2. Place the ignition in ON/RUN. 3. Press the shift lever button. 4. Move the shift lever to the


desired position.


If still unable to shift out of P (Park): 1. Fully release the shift lever


. Prevent movement of the shift


button.


2. Hold the brake pedal down and


press the shift lever button again.


3. Move the shift lever to the


desired position.


If you are still having a problem shifting, see your dealer.


lever out of P (Park), unless the ignition is in ON/RUN and the brake pedal is applied.


The shift lock release is always functional except in the case of an uncharged or low voltage (less than 9-volt) battery. If the vehicle has an uncharged battery or a battery with low voltage, try charging or jump starting the battery. See Jump Starting (with or without eAssist) on page 10-72 or Jump Starting (On-board with eAssist Only) on page 10-71.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (26,1)


9-26


Driving and Operating


Parking over Things That Burn


{ Warning


Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn.


Engine Exhaust { Warning


Engine exhaust contains carbon monoxide (CO) which cannot be seen or smelled. Exposure to CO can cause unconsciousness and even death. Exhaust may enter the vehicle if:


. The vehicle idles in areas


with poor ventilation (parking garages, tunnels, deep snow that may block underbody airflow or tail pipes).


. The exhaust smells or


sounds strange or different.


. The exhaust system leaks


due to corrosion or damage. . The vehicle exhaust system


has been modified, damaged, or improperly repaired.


(Continued)


Warning (Continued)


. There are holes or openings


in the vehicle body from damage or aftermarket modifications that are not completely sealed.


If unusual fumes are detected or if it is suspected that exhaust is coming into the vehicle:


. Drive it only with the windows


completely down.


. Have the vehicle repaired


immediately.


Never park the vehicle with the engine running in an enclosed area such as a garage or a building that has no fresh air ventilation.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (27,1)


Automatic Transmission


Running the Vehicle While Parked It is better not to park with the engine running. If the vehicle is left with the engine running, follow the proper steps to be sure the vehicle will not move. See Shifting Into Park on page 9-24
and Engine Exhaust on page 9-26. If parking on a hill and pulling a trailer, see Driving Characteristics and Towing Tips on page 9-61.


P (Park): This position locks the front wheels. It is the best position to use when you start the engine because the vehicle cannot move easily.


Driving and Operating


9-27


{ Warning


It is dangerous to get out of the vehicle if the shift lever is not fully in P (Park) with the parking brake firmly set. The vehicle can roll. Do not leave the vehicle when the engine is running. If you have left the engine running, the vehicle can move suddenly. You or others could be injured. To be sure the vehicle will not move, even when you are on fairly level ground, always set the parking brake and move the shift lever to P (Park). See Shifting Into Park on page 9-24.


Make sure the shift lever is fully in P (Park) before starting the engine. The vehicle has an automatic transmission shift lock control system. You must fully apply the brake pedal then press the shift lever button before you can shift from P (Park) while the ignition key


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (28,1)


9-28


Driving and Operating


is in ON/RUN. If you cannot shift out of P (Park), ease pressure on the shift lever and push the shift lever all the way into P (Park) as you maintain brake application. Then move the shift lever into another gear. See Shifting out of Park on page 9-25. R (Reverse): Use this gear to back up.


{ Caution


Shifting to R (Reverse) while the vehicle is moving forward could damage the transmission. The repairs would not be covered by the vehicle warranty. Shift to R (Reverse) only after the vehicle is stopped.


To rock the vehicle back and forth to get out of snow, ice, or sand without damaging the transmission, see If the Vehicle Is Stuck on page 9-9.


N (Neutral): In this position, the engine does not connect with the wheels. To restart the engine when the vehicle is already moving, use N (Neutral) only.


{ Warning


Shifting into a drive gear while the engine is running at high speed is dangerous. Unless your foot is firmly on the brake pedal, the vehicle could move very rapidly. You could lose control and hit people or objects. Do not shift into a drive gear while the engine is running at high speed.


{ Caution Shifting out of P (Park) or N (Neutral) with the engine running at high speed may damage the transmission. The repairs would not be covered by


(Continued)


Caution (Continued)


the vehicle warranty. Be sure the engine is not running at high speed when shifting the vehicle.


D (Drive): This position is for normal driving. It provides the best fuel economy. If you need more power for passing, and you are: . Accelerating slowly or


maintaining a constant speed, push the accelerator pedal about halfway down.


. Accelerating quickly or passing,


push the accelerator all the way down.


M (Manual Mode): This position allows you to change gears similar to a manual transmission. If the vehicle has this feature, see Manual Mode on page 9-29.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (29,1)


Driving and Operating


9-29


With the DSC feature, the vehicle can be set to pull away in 2 (Second) gear. 1. Move the shift lever from


D (Drive) to M (Manual Mode).


2. With the vehicle stopped, press the + (plus) end of the button to select 2 (Second) gear. The vehicle will start from a stop position in 2 (Second) gear.


3. Once moving, select the desired


drive gear.


Manual Mode


Driver Shift Control (DSC) To use this feature (if equipped): 1. Move the shift lever from


D (Drive) rearward to M (Manual Mode). While driving in Manual Mode, the transmission will remain in the driver selected gear. When coming to a stop in the manual position, the vehicle will automatically shift into 1 (First) gear.


2. Using the button on the shift


lever, press the + (plus) end of the button to upshift, or press the − (minus) end of the button to downshift.


The Driver Information Center (DIC) in the instrument cluster will change from the currently displayed message to the letter “M,” for Manual position, and a number indicating the requested gear.


While using the DSC feature the transmission will have firmer shifting and sportier performance. You can use this for sport driving or when climbing hills to stay in gear longer or to downshift for more power or engine braking. The transmission will only allow you to shift into gears appropriate for the vehicle speed and engine revolutions per minute (rpm):


The transmission will not allow shifting to the next higher gear if the vehicle speed or engine rpm is too low. The transmission will not allow shifting to the next lower gear if the vehicle speed or engine rpm is too high.


Second Gear Start Feature When accelerating the vehicle from a stop in snowy and icy conditions, you may want to shift into 2 (Second) gear. A higher gear allows you to gain more traction on slippery surfaces.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (30,1)


9-30


Driving and Operating


Brakes


Antilock Brake System (ABS) This vehicle has ABS, an advanced electronic braking system that helps prevent a braking skid. When the vehicle begins to drive away, ABS checks itself. A momentary motor or clicking noise might be heard while this test is going on, and it might even be noticed that the brake pedal moves a little. This is normal.


If there is a problem with ABS, this warning light stays on. See Antilock Brake System (ABS) Warning Light on page 5-21.


If driving safely on a wet road and it becomes necessary to slam on the brakes and continue braking to avoid a sudden obstacle, a computer senses that the wheels are slowing down. If one of the wheels is about to stop rolling, the computer will separately work the brakes at each wheel. ABS can change the brake pressure to each wheel, as required, faster than any driver could. This can help you steer around the obstacle while braking hard. As the brakes are applied, the computer keeps receiving updates on wheel speed and controls braking pressure accordingly. Remember: ABS does not change the time needed to get a foot up to the brake pedal or always decrease stopping distance. If you get too close to the vehicle in front of you, there will not be enough time to apply the brakes if that vehicle


suddenly slows or stops. Always leave enough room up ahead to stop, even with ABS. Using ABS Do not pump the brakes. Just hold the brake pedal down firmly and let ABS work. You might hear the ABS pump or motor operating and feel the brake pedal pulsate, but this is normal. Braking in Emergencies ABS allows you to steer and brake at the same time. In many emergencies, steering can help more than even the very best braking.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (31,1)


Parking Brake


If equipped with an Electric Parking Brake (EPB), the switch is on the left side of the instrument panel. The EPB can always be activated, even if the ignition is off. To prevent draining the battery, avoid repeated cycles of the EPB when the engine is not running.


Driving and Operating


9-31


The system has a red parking brake status light and an amber parking brake warning light. See Electric Parking Brake Light on page 5-21
and Service Electric Parking Brake Light on page 5-21. There are also parking brake-related Driver Information Center (DIC) messages. See Brake System Messages on page 5-31. In case of insufficient electrical power, the EPB cannot be applied or released. Before leaving the vehicle, check the red parking brake status light to ensure that the parking brake is applied. EPB Apply To apply the EPB: 1. Be sure the vehicle is at a


complete stop.


2. Lift up the EPB switch


momentarily.


The red parking brake status light will flash and then stay on once the EPB is fully applied. If the red parking brake status light flashes


continuously, then the EPB is only partially applied or there is a problem with the EPB. A DIC message will display. Release the EPB and try to apply it again. If the light does not come on, or keeps flashing, have the vehicle serviced. Do not drive the vehicle if the red parking brake status light is flashing. See your dealer. See Electric Parking Brake Light on page 5-21. If the amber parking brake warning light is on, lift up on the EPB switch and hold it up. Continue to hold the switch until the red parking brake status light remains on. If the amber parking brake warning light remains on, see your dealer. If the EPB is applied while the vehicle is moving, the vehicle will decelerate as long as the switch is held up. If the switch is held up until the vehicle comes to a stop, the EPB will remain applied. The vehicle may automatically apply the EPB in some situations when the vehicle is not moving. This is


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (32,1)


9-32


Driving and Operating


normal, and is done to periodically check the correct operation of the EPB system. If the EPB fails to apply, the rear wheels should be blocked to prevent vehicle movement. EPB Release To release the EPB: 1. Place the ignition in the ACC/


ACCESSORY or ON/RUN position.


2. Apply and hold the brake pedal. 3. Push down momentarily on the


EPB switch.


The EPB is released when the red parking brake status light is off. If the amber parking brake warning light is on, release the EPB by pushing down on the EPB switch and holding it down. Continue to hold the switch until the red parking brake status light is off. If either light stays on after release is attempted, see your dealer.


{ Caution


Driving with the parking brake on can overheat the brake system and cause premature wear or damage to brake system parts. Make sure that the parking brake is fully released and the brake warning light is off before driving.


Automatic EPB Release The EPB will automatically release if the vehicle is running, placed into gear, and an attempt is made to drive away. Avoid rapid acceleration when the EPB is applied, to preserve parking brake lining life. If parking on a hill, or if the vehicle is pulling a trailer, see Driving Characteristics and Towing Tips on page 9-61.


Brake Assist This vehicle has a brake assist feature designed to assist the driver in stopping or decreasing vehicle speed in emergency driving conditions. This feature automatically uses the stability system hydraulic brake control module to supplement the power brake system under conditions where the driver has quickly and forcefully applied the brake pedal in an attempt to quickly stop or slow down the vehicle. The stability system hydraulic brake control module increases brake pressure at each corner of the vehicle until the ABS activates. Minor brake pedal pulsation or pedal movement during this time is normal and the driver should continue to apply the brake pedal as the driving situation dictates. The brake assist feature will automatically disengage when the brake pedal is released or brake pedal pressure is quickly decreased.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (33,1)


Hill Start Assist (HSA) Some vehicles have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to temporarily prevent the vehicle from rolling, either forward or rearward, during vehicle drive off. After the driver completely stops and holds the vehicle in a complete standstill on a grade, HSA will be automatically activated. During the transition period between when the driver releases the brake pedal and starts to accelerate to drive off on a grade, HSA holds the braking


pressure to ensure that there is no rolling. The brakes will automatically release within a two-second window of releasing the brake pedal, and the vehicle may begin to roll. It will not activate if the vehicle is in a drive gear and facing downhill or if the vehicle is facing uphill and in R (Reverse). HSA will activate on eAssist vehicles while in gear and facing down hill to assist in allowing a smooth auto start.


Driving and Operating


9-33


Ride Control Systems


Traction Control/ Electronic Stability Control


System Operation The vehicle has a Traction Control System (TCS) and StabiliTrak®, an electronic stability control system. These systems help limit wheel slip and assist the driver in maintaining control, especially on slippery road conditions. TCS activates if it senses that any of the drive wheels are spinning or beginning to lose traction. When this happens, TCS applies the brakes to the spinning wheels and reduces engine power to limit wheel spin. StabiliTrak activates when the vehicle senses a difference between the intended path and the direction the vehicle is actually traveling. StabiliTrak selectively applies braking pressure to any one of the


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (34,1)


9-34


Driving and Operating


vehicle wheel brakes to assist the driver in keeping the vehicle on the intended path. If cruise control is being used and traction control or StabiliTrak begins to limit wheel spin, cruise control will disengage. Cruise control may be turned back on when road conditions allow. Both systems come on automatically when the vehicle is started and begins to move. The systems may be heard or felt while they are operating or while performing diagnostic checks. This is normal and does not mean there is a problem with the vehicle. It is recommended to leave both systems on for normal driving conditions, but it may be necessary to turn TCS off if the vehicle gets stuck in sand, mud, ice, or snow. See If the Vehicle Is Stuck on page 9-9 and “Turning the Systems Off and On” later in this section.


The indicator light for both systems is in the instrument cluster. This light will:


Flash when TCS is limiting wheel spin. Flash when StabiliTrak is activated. Turn on and stay on when either system is not working.


If either system fails to turn on or to activate, a message displays in the Driver Information Center (DIC), and d comes on and stays on to indicate that the system is inactive and is not assisting the driver in maintaining control. The vehicle is safe to drive, but driving should be adjusted accordingly.


If d comes on and stays on: 1. Stop the vehicle. 2. Turn the engine off and wait


15 seconds.


3. Start the engine. Drive the vehicle. If d comes on and stays on, the vehicle may need more time to diagnose the problem. If the condition persists, see your dealer. Turning the Systems Off and On


The button for TCS and StabiliTrak is on the center console, behind the shift lever.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (35,1)


Driving and Operating


9-35


To turn off both TCS and StabiliTrak, press and hold the g button until the Traction Off Light i and StabiliTrak Off Light g come on and stay on in the instrument cluster. To turn TCS and StabiliTrak on again, press and release the g button. The Traction Off Light i and StabiliTrak Off Light g in the instrument cluster turn off. Adding accessories can affect the vehicle performance. See Accessories and Modifications on page 10-3.


{ Caution


Do not repeatedly brake or accelerate heavily when TCS is off. The vehicle driveline could be damaged.


To turn off only TCS, press and release the g button. The Traction Off Light i displays in the instrument cluster. To turn TCS on again, press and release the g button. The Traction Off Light i displayed in the instrument cluster will turn off. If TCS is limiting wheel spin when the g button is pressed, the system will not turn off until the wheels stop spinning.


Cruise Control With cruise control, you can maintain a speed of about 40 km/h (25 mph) or more without keeping your foot on the accelerator. Cruise control does not work at speeds below about 40 km/h (25 mph).


{ Warning


Cruise control can be dangerous where you cannot drive safely at a steady speed. Do not use the cruise control on winding roads or in heavy traffic. Cruise control can be dangerous on slippery roads. On such roads, fast changes in tire traction can cause excessive wheel slip, and you could lose control. Do not use cruise control on slippery roads.


If equipped with the Traction Control System (TCS), the system may begin to limit wheel spin while you are using cruise control. If this


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (36,1)


9-36


Driving and Operating


happens, the cruise control will automatically disengage. See Traction Control/Electronic Stability Control on page 9-33. If a collision alert occurs when cruise control is activated, cruise control is disengaged. See Forward Collision Alert (FCA) System on page 9-48. When road conditions allow you to safely use it again, the cruise control can be turned back on. If the brakes are applied, the cruise control disengages.


5 (On/Off): Press to turn cruise control on or off. A white indicator comes on in the instrument cluster. +RES (Resume/Accelerate): Press briefly to make the vehicle resume to a previously set speed, or press and hold to accelerate. If cruise control is already active, use to increase vehicle speed. SET–: Press briefly to set the speed and activate cruise control. If cruise control is already active, use to decrease vehicle speed. * (Cancel): Press to disengage cruise control without erasing the selected set speed.


Setting Cruise Control The cruise control indicator on the instrument cluster turns green after the cruise control has been set to the desired speed. See Instrument Cluster on page 5-9.


If the cruise button is on when not in use, it could get bumped and go into cruise when not desired. Keep the cruise control switch off when cruise is not being used. 1. Press the 5 button to turn the


cruise system on.


2. Get up to the desired speed. 3. Press and release the SET– button on the steering wheel.


4. Remove foot from the


accelerator.


Resuming a Set Speed If cruise control is set at a desired speed and then the brakes are applied, the cruise control is disengaged without erasing the set speed from memory. Once the vehicle speed is 40 km/h (25 mph) or greater, press the +RES button on the steering wheel. The vehicle returns to the previous set speed.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (37,1)


Increasing Speed While Using Cruise Control If the cruise control system is already activated: . Press and hold the +RES button


until the desired speed is reached, then release it. To increase vehicle speed in small increments, briefly press the +RES button. For each press, the vehicle goes about 1.6 km/h (1 mph) faster.


Reducing Speed While Using Cruise Control If the cruise control system is already activated: . Press and hold the SET– button until the desired lower speed is reached, then release it. To decrease the vehicle speed in smaller increments, briefly press the SET− button. For each press, the vehicle goes about 1.6 km/h (1 mph) slower.


Passing Another Vehicle While Using Cruise Control Use the accelerator pedal to increase vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the cruise speed you set earlier. While pressing the accelerator pedal or shortly following the release to override cruise control, briefly applying the SET− button will result in cruise set to the current vehicle speed.


Using Cruise Control on Hills How well the cruise control will work on hills depends upon the vehicle speed, load, and the steepness of the hills. When going up steep hills, you might have to step on the accelerator pedal to maintain your speed. When going downhill, you might have to brake or shift to a lower gear to keep your speed down. If the brakes are applied the cruise control will turn off.


Driving and Operating


9-37


Ending Cruise Control There are three ways to end cruise control:


To disengage cruise control, step lightly on the brake pedal.


. Press the * button on the


steering wheel. To turn off the cruise control, press the 5 button on the steering wheel.


Erasing Speed Memory The cruise control set speed is erased from memory by pressing 5
or if the ignition is turned off.


Adaptive Cruise Control If equipped, Adaptive Cruise Control (ACC) allows the driver to select the cruise control set speed and following gap. Read this entire section before using this system. The following gap is the following time between your vehicle and a vehicle detected directly ahead in


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (38,1)


9-38


Driving and Operating


your path moving in the same direction. If no vehicle is detected in your path, ACC works like regular cruise control. ACC uses a radar sensor. See Radio Frequency Statement on page 13-15. If a vehicle is detected in your path, ACC can apply acceleration or limited, moderate braking to maintain the selected following gap. To disengage ACC, apply the brake. If ACC is controlling your vehicle speed when the Traction Control System (TCS) or StabiliTrak® System activates, the ACC may automatically disengage. When road conditions allow ACC to be safely used, the ACC can be turned back on. If TCS or StabiliTrak have been disabled, the ACC will not engage. See Traction Control/Electronic Stability Control on page 9-33.


{ Warning


ACC has limited braking ability and may not have time to slow the vehicle down enough to avoid a collision with another vehicle you are following. This can occur when vehicles suddenly slow or stop ahead, or enter your lane. Also see “Alerting the Driver” in this section. Complete attention is always required while driving and you should be ready to take action and apply the brakes. See Defensive Driving on page 9-3.


{ Warning


Adaptive Cruise Control will not detect or brake for children, pedestrians, animals, or other objects.


(Continued)


Warning (Continued)


Do not use Adaptive Cruise Control when:


. On winding and hilly roads or


when the sensors are blocked by snow, ice, or dirt. The system may not detect a vehicle ahead. Keep the entire front of the vehicle clean.


. Visibility is low, such as in


fog, rain, or snow conditions. Adaptive Cruise Control performance is limited under these conditions.


. On slippery roads where fast


changes in tire traction can cause excessive wheel slip.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (39,1)


* (Cancel): Press to disengage ACC without erasing the selected set speed. GAP (Follow Distance Gap): Press to select a following gap time (or distance) setting for ACC of Far, Medium, or Near.


Setting Adaptive Cruise Control If the cruise system is on but not in use, it could get set and go into cruise when not desired. Keep the cruise control button off when cruise is not being used. Select the set speed desired for cruise. This is the vehicle speed when no vehicle is detected in its path. ACC will not set or resume at a speed less than 25 km/h (16 mph). To set ACC:


1. Press ].


2. Get up to the desired speed. 3. Press and release the SET– control on the steering wheel.


Driving and Operating


9-39


4. Remove foot from the


accelerator.


After ACC is set, it may immediately apply the brakes if a vehicle ahead is closer than the selected following gap.


The ACC indicator displays on the instrument cluster. When ACC is active, the indicator turns green. Be mindful of speed limits, surrounding traffic speeds, and weather conditions when selecting the set speed.


Resuming a Set Speed If the ACC is set at a desired speed and then the brakes are applied, ACC is disengaged without erasing the set speed from memory.


] (On/Off): Press to turn the system on or off. A white Adaptive Cruise Control indicator comes on. +RES (Resume/Accelerate): Press briefly to resume the previous set speed or hold to accelerate. If ACC is already active, use to increase vehicle speed. SET– (Set/Coast): Press briefly to set the speed and activate ACC. If ACC is already active, use to decrease vehicle speed.


Chevrolet Impala Owner Manual (GMNA-Localizing-U.S./Canada-5772216) - 2014 - 2nd crc - 5/14/13


Black plate (40,1)


9-40


Driving and Operating


To begin using ACC again, press the +RES button on the steering wheel. The vehicle returns to the previous set speed.


Increasing Speed While ACC is at a Set Speed If ACC is already activated, do one of the following: . Use the accelerator to get to the


higher speed. Press the SET– button. Release the control and the accelerator pedal. The vehicle will now cruise at the higher speed. When the accelerator pedal is pressed, ACC will not brake because it is overridden. A warning message will appear on the Driver Information Center (DIC). See Cruise Control Messages on page 5-31.


. Press and hold the +RES button


until the desired set speed appears on the display, then release it.


To increase vehicle speed in small increments, briefly press +RES. For each press the vehicle goes 5 km/h (1 mph) faster.


When it is determined that there is no vehicle ahead or the vehicle is beyond the selected following gap, then the vehicle speed will increase to the set speed. The speedometer reading can be displayed in either English or metric units. See Instrument Cluster on page 5-9. The increment value used depends on the units displayed.


Reducing Speed While ACC is at a Set Speed If ACC is already activated, do one of the following: . Use the brake to get to the


desired lower speed. Press the SET– button and release the accelerator pedal. The vehicle will now cruise at the lower speed.


. Press and hold the SET– button until the desired lower speed is reached, then release it. To decrease the vehicle speed in smaller increments, briefly press SET–. For each press, the vehicle goes about 5 km/h (1 mph) slower.


The speedometer reading can be displayed in either English or metric units. See Instrument Cluster on page 5-9. The increment value used depends on the units displayed.


Selecting the Follow Distance Gap When a slower moving vehicle is detected ahead within the selected following gap, ACC will adjust the vehicle's speed and attempt to maintain the follow distance gap selected. Press GAP on the steering wheel to adjust the following gap. When pressed, the current gap setting displays briefly on the instrument cluster.


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Subsequent presses cycle the gap button through three settings: Far, Medium, or Near. The gap setting will be maintained until it is changed. Since each gap setting corresponds to a following time (Far, Medium, or Near), the following distance will vary based on vehicle speed. The faster the vehicle speed, the further back your vehicle will follow a vehicle detected ahead. Consider traffic and weather conditions when selecting the following gap. The range of selectable gaps may not be appropriate for all drivers and driving conditions. Changing the gap setting automatically changes the alert timing sensitivity (Far, Medium, or Near) for the Forward Collision Alert (FCA) feature. See Forward Collision Alert (FCA) System on page 9-48.


Alerting the Driver


If ACC is engaged, driver action may be required when ACC cannot apply sufficient braking because of approaching a vehicle too rapidly. When this condition occurs, six red lights will flash on the windshield and eight beeps will sound from the front. See Defensive Driving on page 9-3.


Approaching and Following a Vehicle


Driving and Operating


9-41


The vehicle ahead symbol is in the DIC. The vehicle ahead symbol only displays when a vehicle is detected in your vehicle’s path moving in the same direction. If this symbol is not displaying, ACC will not respond to or brake to vehicles ahead. ACC automatically slows the vehicle down and adjusts vehicle speed to follow the vehicle in front at the selected follow gap. The vehicle speed increases or decreases to follow the vehicle in front of you, but will not exceed the set speed. It may apply limited braking, if necessary. When braking is active, the brake lights will come on. The automatic braking may feel or sound different than if the brakes were applied manually. This is normal.


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Driving and Operating


Stationary or Very Slow-Moving Objects


{ Warning


Adaptive Cruise Control (ACC) may not detect and react to stopped or slow-moving vehicles ahead of you. For example, the system may not brake for a vehicle that it has never detected moving. This can occur in stop-and-go traffic or when a vehicle suddenly appears due to a vehicle ahead changing lanes. Your vehicle may not stop and could cause a crash. Use caution when using ACC. Your complete attention is always required while driving and you should be ready to take action and apply the brakes.


ACC Automatically Disengages ACC may automatically disengage and the driver will need to manually apply the brakes to slow the vehicle when:


The sensors are blocked. The Traction Control System (TCS) or electronic stability control system has activated or been disabled. There is no traffic or other objects to detect. There is a fault in the system.


A message indicating that the cruise is disengaging will appear on the DIC and the ACC active symbol will not be displayed when ACC is no longer active.


Notification to Resume ACC ACC will maintain a following gap behind a detected vehicle and slow your vehicle to a stop behind that vehicle.


If the stopped vehicle ahead has driven away and ACC has not been resumed, the vehicle ahead symbol will flash as a reminder to check traffic ahead before proceeding. In addition, three beeps will sound. See “Go Notifier” under Collision/ Detection systems in Vehicle Personalization on page 5-40. When the vehicle ahead drives away, press RES+ or the accelerator pedal to resume cruise control. If stopped for more than two minutes or if the driver door is opened, the ACC automatically applies the Electric Parking Brake to hold the vehicle. The Electric Parking Brake status light will turn on. See Parking Brake on page 9-31. To resume ACC and release the Electric Parking Brake, press the accelerator pedal. ACC can be resumed when the vehicle is travelling greater than 25 km/h (16 mph).


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Driving and Operating


9-43


A DIC warning message may display indicating to shift to P (Park) before exiting the vehicle. See Vehicle Messages on page 5-30.


{ Warning


If ACC has stopped the vehicle, and if ACC is disengaged, turned off, or canceled, the vehicle will no longer be held at a stop. The vehicle can move. When ACC is holding the vehicle at a stop, always be prepared to manually apply the brakes.


{ Warning


Leaving the vehicle without placing it in P (Park) can be dangerous. Do not leave the vehicle while it is being held at a stop by ACC. Always place the vehicle in P (Park) and turn off the ignition before leaving the vehicle.


ACC Override If using the accelerator pedal while ACC is active, a DIC warning message will indicate that automatic braking will not occur. See Vehicle Messages on page 5-30. ACC will resume operation when the accelerator pedal is not being pressed.


{ Warning


The ACC will not automatically apply the brakes if your foot is resting on the accelerator pedal. You could crash into a vehicle ahead of you.


Curves in the Road


{ Warning


On curves, ACC may not detect a vehicle ahead in your lane. You could be startled if the vehicle


(Continued)


Warning (Continued)


accelerates up to the set speed, especially when following a vehicle exiting or entering exit ramps. You could lose control of the vehicle or crash. Do not use ACC while driving on an entrance or exit ramp. Always be ready to use the brakes if necessary.


{ Warning


On curves, ACC may respond to a vehicle in another lane, or may not have time to react to a vehicle in your lane. You could crash into a vehicle ahead of you, or lose control of your vehicle. Give extra attention in curves and be ready to use the brakes if necessary. Select an appropriate speed while driving in curves.


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Driving and Operating


ACC may operate differently in a sharp curve. It may reduce the vehicle speed if the curve is too sharp.


Other Vehicle Lane Changes


When following a vehicle and entering a curve, ACC may not detect the vehicle ahead and accelerate to the set speed. When this happens, the vehicle ahead symbol will not appear.


ACC may detect a vehicle that is not in your lane and apply the brakes. ACC may occasionally provide an alert and/or braking that is considered unnecessary. It could respond to vehicles in different lanes, signs, guardrails, and other stationary objects when entering or exiting a curve. This is normal operation. The vehicle does not need service.


ACC will not detect a vehicle ahead until it is completely in the lane. The brakes may need to be manually applied.


Do Not Use ACC on Hills and When Towing a Trailer


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Cleaning the Sensing System The radar sensor on the front of the vehicle can become blocked by snow, ice, dirt, or mud. These areas need to be cleaned for ACC to operate properly. For cleaning instructions, see “Washing the Vehicle” under Exterior Care on page 10-77. System operation may also be limited under snow, heavy rain or road spray conditions.


Do not use ACC when driving on steep hills or when towing a trailer. ACC will not detect a vehicle in the lane while driving on steep hills. The driver will often need to take over acceleration and braking on steep hills, especially when towing a trailer. If the brakes are applied, the ACC disengages.


Disengaging ACC There are three ways to disengage ACC: . Step lightly on the brake pedal. . Press *.


. Press ].


Erasing Speed Memory The cruise control set speed is erased from memory if ] is pressed or if the ignition is turned off.


Driving and Operating


9-45


Driver Assistance Systems This vehicle may have features that work together to help avoid crashes or reduce crash damage while driving, backing, and parking. Read this entire section before using these systems.


{ Warning Do not rely on the Driver Assistance Systems. These systems do not replace the need for paying attention and driving safely. You may not hear or see alerts or warnings provided by these systems. Failure to use proper care when driving may result in injury, death, or vehicle damage. See Defensive Driving on page 9-3.


(Continued)


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Driving and Operating


Warning (Continued)


Under many conditions, these systems will not:


. Detect children, pedestrians,


bicyclists, or animals.


. Detect vehicles or objects


outside the area monitored by the system.


. Work at all driving speeds. . Warn you or provide you with enough time to avoid a crash.


. Work under poor visibility or


bad weather conditions.


. Work if the detection sensor is not cleaned or is covered by ice, snow, mud, or dirt. Complete attention is always required while driving, and you should be ready to take action and apply the brakes and/or steer the vehicle to avoid crashes.


Assistance Systems for Parking or Backing When the vehicle is in R (Reverse), the Rear Vision Camera (RVC), Rear Parking Assist, and Rear Cross Traffic Alert (RCTA), if equipped, may help the driver to avoid a crash or to reduce crash damage. When the vehicle is shifted into R (Reverse), the RVC displays an image of the area behind the vehicle in the center stack display. { Warning


The RVC system does not display children, pedestrians, bicyclists, animals, or any other object located outside the camera's field of view, below the bumper, or under the vehicle. Perceived distances may be different from actual distances. Do not back the vehicle using only the RVC


(Continued)


Warning (Continued)


screen, during longer, higher speed backing maneuvers, or where there could be cross traffic. Failure to use proper care before backing may result in injury, death, or vehicle damage. Always check behind and around the vehicle before backing.


1. View Displayed by the Camera


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display on the RVC screen to warn of traffic coming from either direction. This system detects objects coming from up to 20 m (65 ft) from the left or right side of the vehicle. When an object is detected, either three beeps sound from the left or right side, depending on the direction of the detected vehicle. With URPA, as the vehicle backs up at speeds of less than 8 km/h (5 mph), the system detects objects up to 2.5 m (8 ft) behind the vehicle that are within a zone 25 cm (10 in) high off the ground and below bumper level.


{ Warning


The parking assist system does not detect children, pedestrians, bicyclists, animals, or objects located below the bumper or that are too close or too far from the vehicle. It is not available at


(Continued)


1. View Displayed by the Camera 2. Corners of the Rear Bumper Displayed images may be farther or closer than they appear. The area displayed is limited and objects that are close to either corner of the bumper or under the bumper do not display. A warning triangle may display on the RVC screen to show where the Ultrasonic Rear Parking Assist (URPA) has detected an object. This triangle changes from amber to red and increases in size the closer the object. On vehicles with the Rear Cross Traffic Alert (RCTA), a red warning triangle with an arrow may also


Driving and Operating


9-47


Warning (Continued)


speeds greater than 8 km/h (5 mph). To prevent injury, death, or vehicle damage, even with parking assist, always check the area around the vehicle and check all mirrors before moving forward or backing.


The vehicle may have an instrument cluster parking assist display with bars that show “distance to object” and object location information for URPA. As the object gets closer, more bars light up.


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Driving and Operating


When an object is first detected in the rear, one beep will be heard from the rear. When an object is very close (<0.6 m (2 ft) in the vehicle rear), five beeps will sound from the rear. Turning the Features On or Off


The X button on the instrument panel to the left of the steering wheel is used to turn on or off the Rear Parking Assist. The indicator light next to the button comes on when the features are on and turns off when the features have been disabled. Turn off URPA when towing a trailer.


The RVC, the RCTA system, parking assist symbols, and guidance lines can be turned on or off through the infotainment system: 1. On the infotainment system,


press the Settings screen button, or turn the MENU knob to highlight Settings and press MENU.


2. Select Rear Camera. 3. Press Rear Camera Display (if equipped), Rear Cross Traffic Alert, Park Assist Symbols, or Guidance Lines and then select OFF or ON.


Assistance Systems for Driving If equipped, when driving the vehicle forward, Forward Collision Alert (FCA), Lane Departure Warning (LDW), Side Blind Zone Alert (SBZA), and/or the Active Emergency Braking System can help to avoid a crash or reduce crash damage.


Forward Collision Alert (FCA) System If equipped, the FCA system may help to avoid or reduce the harm caused by front-end crashes. FCA provides a red flashing alert on the windshield, and beeps when approaching a vehicle directly ahead too quickly. FCA also provides a visual alert if following another vehicle much too closely. FCA detects vehicles within a distance of approximately 60 m (197 ft) and operates at speeds above 40 km/h (25 mph). If the vehicle has Adaptive Cruise Control (ACC), it can detect vehicles to distances of approximately 110 m (360 ft) and operates at all speeds. See Adaptive Cruise Control on page 9-37.


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{ Warning


Detecting the Vehicle Ahead


FCA is a warning system and does not apply the brakes. When approaching a slower-moving or stopped vehicle ahead too rapidly, or when following a vehicle too closely, FCA may not provide a warning with enough time to help avoid a crash. FCA does not warn of pedestrians, animals, signs, guardrails, bridges, construction barrels, or other objects. Be ready to take action and apply the brakes. For more information, see Defensive Driving on page 9-3.


FCA can be disabled through vehicle personalization. See the “Auto Collision Preparation” portion of “Collision/Detection Systems” under Vehicle Personalization on page 5-40.


FCA warnings will not occur unless the FCA system detects a vehicle ahead. The vehicle ahead indicator will display green when a vehicle is detected in front. Vehicles may not be detected on curves, highway exit ramps, or hills; or due to poor visibility. FCA will not detect another vehicle ahead until it is completely in the driving lane.


{ Warning


FCA does not provide a warning to help avoid a crash, unless it detects a vehicle. FCA may not detect a vehicle ahead if the FCA sensor is blocked by dirt, snow,


(Continued)


Driving and Operating


9-49


Warning (Continued)


or ice, or if the windshield is damaged. It may also not detect a vehicle on winding or hilly roads, or in conditions that can limit visibility such as fog, rain, or snow, or if the headlamps or windshield are not cleaned or in proper condition. Keep the windshield, headlamps, and FCA sensors clean and in good repair.


Collision Alert


When your vehicle approaches another vehicle too rapidly, the red lights will flash on the windshield and eight beeps will sound from the front.


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Driving and Operating


Tailgating Alert


Selecting the Alert Timing


The vehicle ahead indicator will display amber when you are following a vehicle ahead much too closely.


With Adaptive Cruise Control


Without Adaptive Cruise Control


Press the collision alert/following gap button on the steering wheel to set the FCA timing to Far, Medium, Near, or on some vehicles, Off. The first button press shows the current setting on the DIC. Additional button presses will change this setting. The chosen setting will remain until it is changed and will affect the timing of both the Collision Alert and the Tailgating Alert features. The timing of both alerts will vary based on vehicle speed. The faster the vehicle speed, the farther away the alert will occur. Consider traffic and weather conditions when selecting the alert timing. The range of selectable alert timing may not be appropriate for all drivers and driving conditions. Changing the FCA timing setting automatically changes the following gap setting (Far, Medium, or Near) for the Adaptive Cruise Control (ACC) feature.


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Unnecessary Alerts FCA may provide unnecessary alerts for turning vehicles, vehicles in other lanes, objects that are not vehicles, or shadows. These alerts are normal operation and the vehicle does not need service. Cleaning the System If the FCA system does not seem to operate properly, cleaning the outside of the windshield in front of the camera sensor and the front of the vehicle may correct the issue.


Active Emergency Braking System If the vehicle has Adaptive Cruise Control (ACC) it also has the Active Emergency Braking System, which includes the Automatic Collision Preparation (ACP) System.


Driving and Operating


9-51


Warning (Continued)


. Detect a stopped or


slow-moving vehicle or other object ahead.


. Detect a vehicle when


weather limits visibility, such as in fog, rain, or snow. In these situations, ACP sensor performance is limited.


Complete attention is always required while driving, and you should be ready to take action and apply the brakes and/or steer the vehicle to avoid crashes.


Brake Preparation When quickly approaching a vehicle ahead, Brake Preparation reduces brake response time by having the brake system prepared for driver braking to occur more rapidly.


Automatic Collision Preparation (ACP) System ACP may help reduce crash damage by applying the vehicle’s brake system and has a detection range of approximately 60 m (197 ft). Braking can only occur if a vehicle is detected ahead. This is shown by the FCA vehicle-ahead indicator being lit. See Forward Collision Alert (FCA) System on page 9-48.


{ Warning


ACP is an emergency crash preparation feature and is not designed to avoid crashes. Do not rely on ACP to brake the vehicle. ACP may not:


. Respond to stopped vehicles,


pedestrians, or animals.


. Detect a vehicle ahead on


winding or hilly roads.


(Continued)


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Driving and Operating


Automatic Braking In some imminent front-end crash situations, if the driver has not applied the brakes, Automatic Braking applies the brakes to help reduce crash damage. It may even help avoid some very low speed crashes. Automatic Braking may slow the vehicle to a complete stop to try to avoid a potential crash. The vehicle will only hold at a stop briefly. A firm press of the accelerator pedal will also release Automatic Braking.


{ Warning Automatic Braking may automatically brake the vehicle in situations where it may be unnecessary. It could respond to a turning vehicle ahead, guardrails, signs, and other non-moving objects. This could be uncomfortable and startling. To (Continued)


Warning (Continued)


override Automatic Braking, firmly press the accelerator pedal, if it is safe to do so.


Automatic Braking can be disabled or reduced through vehicle personalization. See the “Auto Collision Preparation” portion of “Collision/Detection Systems” under Vehicle Personalization on page 5-40.


{ Warning


Using the Automatic Collision Preparation System while towing a trailer could cause you to lose control of the vehicle and crash. Turn the system off when towing a trailer.


Side Blind Zone Alert (SBZA) If equipped, the Side Blind Zone Alert system is a lane-changing aid that assists drivers with avoiding crashes that occur with vehicles in the side blind zone (or spot) areas. The SBZA warning display will light up in the corresponding outside side mirror and will flash if the turn signal is on.


{ Warning


SBZA does not alert the driver to vehicles rapidly approaching outside of the side blind zones, pedestrians, bicyclists, or animals. It may not provide alerts when changing lanes under all driving conditions. Failure to use proper care when changing lanes may result in injury, death, or vehicle damage. Before making a lane change, always


(Continued)


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Driving and Operating


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Warning (Continued)


check mirrors, glance over your shoulder, and use the turn signals.


SBZA Detection Zones


zone starts at approximately the middle of the vehicle and goes back 5 m (16 ft). How the System Works The SBZA symbol lights up in the side mirrors when the system detects a vehicle in the next lane over that is in the side blind zone. This indicates it may be unsafe to change lanes. Before making a lane change, check the SBZA display, check mirrors, glance over your shoulder, and use the turn signals.


The SBZA sensor covers a zone of approximately one lane over from both sides of the vehicle, or 3.5 m (11 ft). The height of the zone is approximately between 0.5 m (1.5 ft) and 2 m (6 ft) off the ground. This


Left Side Mirror


Right Side Mirror


Display


Display


When the vehicle is started, both outside mirror SBZA displays will briefly come on to indicate the system is operating. When the vehicle is moving forward, the left-


or right-side mirror display will light up if a vehicle is detected in that blind zone. If the turn signal is activated in the same direction of a detected vehicle, this display will flash as an extra warning not to change lanes. SBZA can be disabled through vehicle personalization. See “Collision/Detection Systems” under Vehicle Personalization on page 5-40. If SBZA is disabled by the driver, the SBZA mirror displays will not light up. When the System Does Not Seem to Work Properly SBZA displays may not come on when passing a vehicle quickly or when towing a trailer. The SBZA detection zones that extend back from the side of the vehicle do not move further back when a trailer is towed. Use caution while changing lanes when towing a trailer. SBZA may alert to objects attached to the vehicle, such as a trailer, bicycle, or object extending out to either side


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Driving and Operating


of the vehicle. This is normal system operation; the vehicle does not need service. SBZA may not always alert the driver to vehicles in the side blind zone, especially in wet conditions. The system does not need to be serviced. The system may light up due to guardrails, signs, trees, shrubs, and other non-moving objects. This is normal system operation; the vehicle does not need service. SBZA may not operate when the SBZA sensors in the left or right corners of the rear bumper are covered with mud, dirt, snow, ice, or slush, or in heavy rainstorms. For cleaning instructions, see "Washing the Vehicle" under Exterior Care on page 10-77. If the DIC still displays the system unavailable message after cleaning both sides of the vehicle toward the rear corners of the vehicle, see your dealer.


If the SBZA displays do not light up when vehicles are in the blind zone and the system is clean, the system may need service. Take the vehicle to your dealer. When SBZA is disabled for any reason other than the driver turning it off, the Side Blind Zone Alert On option will not be available on the personalization menu. FCC Information See Radio Frequency Statement on page 13-15.


Lane Departure Warning (LDW) If equipped, LDW may help avoid crashes due to unintentional lane departures. It may provide a warning if the vehicle is crossing a detected lane without using a turn signal. LDW uses a camera sensor to detect the lane markings. It only operates at speeds of 56 km/h (35 mph) or greater.


When the vehicle crosses a detected lane marking, the LDW indicator will flash and three beeps will be sounded from the left or right side, depending on the lane departure direction. LDW will not

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