2012 Toyota Sienna Owners Manual

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direction. Large adjustment: Hold lever in the desired direction. the The set speed will be increased or decreased as follows: Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is operated. Large adjustment: The set speed can be decreased continually until the lever is released. increased or 294 SIENNA_U (OM45477U) 2 2-4. Using other driving systems ■ Canceling and resuming the constant speed control Pulling the lever toward you cancels the constant speed control. The speed setting is also can- celed when the brakes are applied. Pushing resumes speed control. Resuming is available when the vehicle speed is more than approximately 25 mph (40 km/h). lever up constant the the 295 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Cruise control can be set when ●The shift lever is in D or more than range 4 of S has been selected. ●Vehicle speed is above approximately 25 mph (40 km/h). ■Accelerating after setting the vehicle speed ●The vehicle can be accelerated normally. After acceleration, the set speed resumes. ●Even without canceling the cruise control, the set speed can be increased by first accelerating the vehicle to the desired speed and then pushing the lever down to set the new speed. ■Automatic cruise control cancelation Cruise control will stop maintaining the vehicle speed in any of the following situations. ●Actual vehicle speed falls more than approximately 10 mph (16 km/h) below the preset vehicle speed. At this time, the memorized set speed is not retained. ●Actual vehicle speed is below approximately 25 mph (40 km/h). ●Enhanced VSC is activated. ■If the cruise control indicator light flashes Press the “ON-OFF” button once to deactivate the system, and then press the button again to reactivate the system. If the cruise control speed cannot be set or if the cruise control cancels immediately after being activated, there may be a malfunction in the cruise control system. Have the vehicle inspected by your Toyota dealer. 296 SIENNA_U (OM45477U) 2 2-4. Using other driving systems CAUTION ■To avoid operating the cruise control by mistake Switch the cruise control off using the “ON-OFF” button when not in use. ■Situations unsuitable for cruise control Do not use cruise control in any of the following situations. Doing so may result in loss of control and could cause an accident resulting in death or serious injury. ●In heavy traffic ●On roads with sharp bends ●On winding roads ●On slippery roads, such as those covered with rain, ice or snow ●On steep hills Vehicle speed may exceed the set speed when driving down a steep hill. ●When your vehicle is towing a trailer or during emergency towing 297 SIENNA_U (OM45477U) 2-4. Using other driving systems Dynamic radar cruise control∗ Dynamic radar cruise control supplements conventional cruise con- trol with a vehicle-to-vehicle distance control. In vehicle-to-vehicle distance control mode, the vehicle automatically accelerates or decelerates in order to maintain a set following distance from vehi- cles ahead. Display Set speed Indicators Vehicle-to-vehicle distance button Cruise control switch ∗: If equipped 298 SIENNA_U (OM45477U) 2-4. Using other driving systems ■ Setting the vehicle speed (vehicle-to-vehicle distance con- trol mode) STEP 1 STEP 2 Press the “ON-OFF” button to activate the cruise control. Dynamic radar cruise control indicator will come on. Press the button again deactivate the cruise control. to Accelerate or decelerate to the desired speed and push the lever down to set the speed. The vehicle speed at the moment the lever is released becomes the set speed. 299 SIENNA_U (OM45477U) 2-4. Using other driving systems ■ Adjusting the set speed To change the set speed, operate the lever until the desired set speed is displayed. Increases the speed Decreases the speed Fine adjustment: Momentarily move the lever in the desired direction. Large adjustment: Hold lever in the desired direction. the In the vehicle-to-vehicle distance control mode, the set speed will be increased or decreased as follows: • When the set speed is shown in “MPH” Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is operated Large adjustment: By approximately 5 mph (8 km/h) for each 0.75 seconds the lever is held • When the set speed is shown in “km/h” Fine adjustment: By approximately 0.6 mph (1 km/h) each time the lever is operated Large adjustment: By approximately 3.1 mph (5 km/h) for each 0.75 seconds the lever is held In the constant speed control mode (→P. 305), the set speed will be increased or decreased as follows: Fine adjustment: By approximately 1 mph (1.6 km/h) each time the lever is operated Large adjustment: The set speed can be decreased continually until the lever is released. increased or 300 SIENNA_U (OM45477U) 2 2-4. Using other driving systems ■ Changing the vehicle-to-vehicle distance Pressing the button changes the vehicle-to-vehicle dis- tance as follows: Long Medium Short Vehicles without a smart key system: The vehicle-to-vehicle distance is set automatically to long mode when the engine switch is turned to the “ON” position. Vehicles with a smart key sys- tem: The vehicle-to-vehicle distance is set automatically to long mode when “ENGINE START STOP” switch is turned to IGNITION ON mode. If a vehicle is running ahead of you, the preceding vehicle mark will be also displayed. the 301 Preceding vehicle mark SIENNA_U (OM45477U) 2-4. Using other driving systems ■ Vehicle-to-vehicle distance settings Select a distance from the table below. Note that the distances shown correspond to a vehicle speed of 50 mph (80 km/h). Vehi- cle-to-vehicle distance increases/decreases in accordance with vehicle speed. Distance options Long Medium Short Vehicle-to-vehicle distance Approximately 160 ft. (50 m) Approximately 130 ft. (40 m) Approximately 100 ft. (30 m) ■ Canceling and resuming the speed control Pulling the lever toward you cancels the constant speed control. The speed setting is also can- celed when the brakes are applied. lever up Pushing resumes the cruise control and returns vehicle speed to the set speed. Resuming is available when the vehicle speed is more than approximately 25 mph (40 km/h). the 302 SIENNA_U (OM45477U) 2-4. Using other driving systems Driving in vehicle-to-vehicle distance control mode This mode employs a radar sensor to detect the presence of vehicles up to approximately 400 ft. (120 m) ahead, determines the current vehicle-to-vehicle following distance, and operates to maintain a suit- able following distance from the vehicle ahead. Note that vehicle-to-vehicle distance will close in when traveling on long downhill slopes. Example of constant speed cruising When there are no vehicles ahead The vehicle travels at the speed set by the driver. The desired vehicle-to- vehicle distance can also be set by operating the vehicle-to-vehicle dis- tance control. Example of deceleration cruising When the vehicle ahead is driving slower than the set speed When a vehicle is detected running ahead of you, the system automati- cally decelerates your vehicle. When a greater reduction in vehicle speed is necessary, the system applies the brakes. A warning tone warns you when the system cannot decelerate sufficiently to prevent your vehicle from closing in on the vehicle ahead. 303 SIENNA_U (OM45477U) 2-4. Using other driving systems Example of follow-up cruising When following a vehicle driving slower than the set speed The system continues follow-up cruising while adjusting for changes in the speed of the vehicle ahead in order to maintain the vehicle-to-vehicle dis- tance set by the driver. Example of acceleration When there are no longer any vehicles ahead driving slower than the set speed The system accelerates until the set speed is reached. The system then returns to constant speed cruising. Approach warning When your vehicle is too close to a vehicle ahead, and sufficient automatic deceleration via the cruise control is not possible, the dis- play will flash and the buzzer will sound to alert the driver. An exam- ple of this would be if another driver cuts in front of you while you are following a vehicle. Apply the brakes to ensure an appropriate vehi- cle-to-vehicle distance. ■ Warnings may not occur when In the following instances, there is a possibility that the warnings will not occur: ● When the speed of the vehicle ahead matches or exceeds your vehicle speed ● When the vehicle ahead is traveling at an extremely slow speed ● Immediately after the cruise control speed was set ● At the instant the accelerator is applied 304 SIENNA_U (OM45477U) 2 2-4. Using other driving systems Selecting conventional constant speed control mode Constant speed control mode differs from vehicle-to-vehicle distance control mode. When constant speed control mode is selected, your vehicle will maintain a set speed regardless of whether or not there are other vehicles in the lane ahead. Press the “ON-OFF” button to activate the cruise control. Dynamic radar cruise control indi- cator will come on. Press the button again to deacti- vate the cruise control. Switch to constant speed con- trol mode. (Push the lever forward and hold for approximately one second) Constant speed control mode indicator will come on. When in constant speed control mode, to return to vehicle-to-vehi- cle distance control mode, push the lever forward again and hold for approximately 1 second. After the desired speed has been set, it is not possible to return to vehicle-to-vehicle distance con- trol mode. 305 SIENNA_U (OM45477U) return Vehicles without a smart key sys- tem: If the engine switch is turned off and then turned to the “ON” posi- tion again, the vehicle will auto- matically to vehicle-to- vehicle distance control mode. Vehicles with a smart key system: If the “ENGINE START STOP” switch is turned off and then turned to IGNITION ON mode again, the vehicle will automati- cally return to vehicle-to-vehicle distance control mode. Adjusting the speed setting: →P. 300 Canceling and speed setting: →P. 302 resuming the 2-4. Using other driving systems 306 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Dynamic radar cruise control can be set when ●The shift lever is in the D or more than range 4 of S has been selected. ●Vehicle speed is above approximately 30 mph (50 km/h). ■Accelerating after setting the vehicle speed The vehicle can accelerate normally. After acceleration, the set speed resumes. However, during vehicle-to-vehicle distance control mode, the vehicle speed may decrease below the set speed in order to maintain the distance to the vehicle ahead. ■Automatic cancelation of vehicle-to-vehicle distance control Vehicle-to-vehicle distance control driving is automatically canceled in the following situations: ●Actual vehicle speed falls below approximately 25 mph (40 km/h). ●Enhanced VSC is activated. ●The sensor cannot operate correctly because it is covered in some way. ●The windshield wipers are operating at high speed (when the wiper switch is set to the “AUTO” mode or the high speed wiper operation posi- tion). If vehicle-to-vehicle distance control driving is automatically canceled for any other reason, there may be a malfunction in the system. Contact your Toyota dealer. 307 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Automatic cancelation of constant speed control The cruise control will stop maintaining the vehicle speed in the following sit- uations. ●Actual vehicle speed is more than approximately 10 mph (16 km/h) below the set vehicle speed. At this time, the memorized set speed is not retained. ●Vehicle speed falls below approximately 25 mph (40 km/h). ●Enhanced VSC is activated. ■Radar sensor and grille cover Always keep the sensor and grille cover clean to ensure that the vehicle-to- vehicle distance control operates properly. (Some obstructions, such as snow, ice and plastic objects, cannot be detected by the obstruction sensor.) Dynamic radar cruise control is canceled if an obstruction is detected. Grille cover Radar sensor ■Warning lights for dynamic radar cruise control Warning light is used to indicate a system malfunction or to inform the driver of the need for caution while driving. (→P. 729) 308 SIENNA_U (OM45477U) 2 2-4. Using other driving systems ■Certification U.S.A. FCC ID: HYQDNMWR005 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interfer- ence, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Radiofrequency radiation exposure Information: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 20 cm between the radiator (antenna) and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Canada Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, includ- ing interference that may cause undesired operation of the device. 309 SIENNA_U (OM45477U) 2-4. Using other driving systems CAUTION ■Before using dynamic radar cruise control Do not overly rely on vehicle-to-vehicle distance control. Be aware of the set speed. If automatic deceleration/acceleration is not appropriate, adjust the vehicle speed, as well as the distance between your vehicle and vehicles ahead by applying the brakes, etc. ■Caution regarding the driving assist systems Observe the following precautions. Failure to do so may cause an accident resulting in death or serious injury. ●Assisting the driver to measure following distance The dynamic radar cruise control is only intended to help the driver in determining the following distance between the driver’s own vehicle and a designated vehicle travelling ahead. It is not a mechanism that allows careless or inattentive driving, and it is not a system that can assist the driver in low-visibility conditions. It is still necessary for driver to pay close attention to the vehicle’s surroundings. ●Assist the driver to judge proper following distance The dynamic radar cruise control determines whether the following dis- tance between the driver’s own vehicle and a designated vehicle travelling ahead is appropriate or not. It is not capable of making any other type of judgement. Therefore, it is absolutely necessary for the driver to remain vigilant and to determine whether or not there is possibility of danger in any given situation. ●Assisting the driver to operate the vehicle The dynamic radar cruise control has no capability to prevent or avoid a collision with a vehicle travelling ahead. Therefore, if there is ever any danger, the driver must take immediate and direct control of the vehicle and act appropriately in order to ensure the safety of all involved. ■To avoid inadvertent cruise control activation Switch the cruise control off using the “ON-OFF” button when not in use. 310 SIENNA_U (OM45477U) 2 2-4. Using other driving systems CAUTION ■Situations unsuitable for dynamic radar cruise control Do not use dynamic radar cruise control in any of the following situations. Doing so may result in inappropriate speed control and could cause an acci- dent resulting in death or serious injury. ●In heavy traffic ●On roads with sharp bends ●On winding roads ●On slippery roads, such as those covered with rain, ice or snow ●On steep downhills, or where there are sudden changes between sharp up and down gradients Vehicle speed may exceed the set speed when driving down a steep hill. ●At entrances to expressways ●When weather conditions are bad enough that they may prevent the sen- sors from functioning correctly (fog, snow, sandstorm, heavy rain, etc.) ●When an approach warning buzzer is heard often ●When your vehicle is towing a trailer or during emergency towing 311 SIENNA_U (OM45477U) 2-4. Using other driving systems CAUTION ■When the sensor may not be correctly detecting the vehicle ahead Apply the brakes as necessary when any of the following types of vehicles are in front of you. As the sensor may not be able to correctly detect these types of vehicles, the approach warning (→P. 304) will not be activated, and a fatal or serious accident may result. ●Vehicles that cut in suddenly ●Vehicles traveling at low speeds ●Vehicles that are not moving ●Vehicles with small rear ends (trailers with no load on board etc.) ●Motorcycles traveling in the same lane ■Conditions under which the vehicle-to-vehicle distance control may not function correctly Apply the brakes as necessary in the following conditions as the radar sen- sor may not be able to correctly detect vehicles ahead, and a fatal or serious accident may result: ●When water or snow thrown up by the surrounding vehicles hinders the functioning of the sensor ●When your vehicle is pointing upwards (caused by a heavy load in the lug- gage compartment, etc.) ●When the road curves or when the lanes are narrow ●When steering wheel operation or your position in the lane is unstable ●When the vehicle ahead of you decelerates suddenly 312 SIENNA_U (OM45477U) 2 2-4. Using other driving systems CAUTION ■Handling the radar sensor Observe the following to ensure the cruise control system can function effec- tively: Otherwise, the system may not function correctly and could result in an acci- dent. ●Keep the sensor and grille cover clean at all times. Clean the sensor and grille cover with a soft cloth so you do not mark or damage them. ●Do not subject the sensor or surrounding area to a strong impact. If the sensor moves even slightly off position, the system may malfunction. If the sensor or surrounding area is subject to a strong impact, always have the area inspected and adjusted by a Toyota dealer. ●Do not disassemble the sensor. ●Do not attach accessories or stickers to the sensor, grille cover or sur- rounding area. ●Do not modify or paint the sensor and grille cover. ●Do not replace them with non-genuine parts. 313 SIENNA_U (OM45477U) 2-4. Using other driving systems Intuitive parking assist∗ The distance from your vehicle to nearby obstacles when parallel parking or maneuvering into a garage is measured by the sensors and communicated via the multi-information display, the touch screen and a buzzer. Always check the surrounding area when using this system. ■ Types of sensors (if Front corner sensors equipped) Rear corner sensors Rear center sensors intuitive parking Turns the assist on/off When on, the indicator light comes on and the buzzer sounds to inform the driver that the system is operational. ∗: If equipped ■ Intuitive parking assist switch 314 SIENNA_U (OM45477U) 2-4. Using other driving systems Display When the sensors detect an obstacle, a graphic is shown on the multi information display or touch screen depending on the position and distance to the obstacle. Multi-information display Touch screen (with navigation system)* *: Depending on the type of navigation system. 315 SIENNA_U (OM45477U) 2-4. Using other driving systems The distance display and buzzer When a sensor detects an obstacle, the direction of and the approxi- mate distance to the obstacle are displayed and the buzzer sounds. ■ Corner sensor operation and distance to an obstacle The system operates when the vehicle approaches within the fol- lowing distances to an obstacle. The indicator flashes and the buzzer sounds when the system is operating. Front (if equipped) Approximate distance to obstacle Indicator and buzzer / Color 2.0 to 1.2 ft. (60 to 37.5 cm) 1.2 to 0.8 ft. (37.5 to 25 cm) 0.8 ft. (25 cm) or less Rear Intermittent / yellow Fast intermittent / yellow Continuous / red Approximate distance to obstacle Indicator and buzzer / Color 2.8 to 1.2 ft. (85 to 37.5 cm) 1.2 to 0.8 ft. (37.5 to 25 cm) 0.8 ft. (25 cm) or less Intermittent / yellow Fast intermittent / yellow Continuous / red 316 SIENNA_U (OM45477U) 2-4. Using other driving systems ■ Back sensor operation and distance to an obstacle The system operates when the vehicle approaches within the fol- lowing distances to an obstacle. The indicator flashes and the buzzer sounds when the system is operating. Approximate distance to obstacle 5.9 to 2.8 ft. (180 to 85 cm) 2.8 to 1.5 ft. (85 to 45 cm) 1.5 to 1.1 ft. (45 to 35 cm) 1.1 ft. (35 cm) or less Indicator and buzzer / Color Slow intermittent / yellow Intermittent / yellow Fast intermittent / yellow Continuous / red 317 SIENNA_U (OM45477U) 2-4. Using other driving systems Detection range of the sensors Approximately 2.0 ft. (60 cm) Approximately 2.8 ft. (85 cm) Approximately 5.9 ft. (180 cm) The diagram shows the detection range of the sensors. Note that the sensors cannot detect obsta- cles that are extremely close to the vehicle. The range of the sensors may change depending on the shape of the object etc. *: if equipped ■Intuitive parking assist can be operated when Vehicles without a smart key system: The engine switch is in the “ON” posi- tion. Vehicles with a smart key system: The “ENGINE START STOP” switch is in IGNITION ON mode. ●Front corner sensors: • The shift lever is not in P. • The vehicle speed is approximately 6 mph (10 km/h) or less. ●Rear corner and back sensors: The shift lever is in R. 318 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Sensor detection information ●Certain vehicle conditions and the surrounding environment may affect the ability of the sensor to correctly detect obstacles. Particular instances where this may occur are listed below. • There is dirt, snow or ice on the sensor. • The sensor is frozen. • The sensor is covered in any way. • The vehicle is leaning considerably to one side. • On an extremely bumpy road, on an incline, on gravel, or on grass • The vicinity of the vehicle is noisy due to vehicle horns, motorcycle engines, air brakes of large vehicles, or other loud noises producing ultrasonic waves. • There is another vehicle equipped with parking assist sensors in the vicinity. • A sensor is coated with a sheet of spray or heavy rain. • The vehicle is equipped with a fender pole or radio antenna. • A bumper or sensor receives a strong impact. • The vehicle is approaching a tall or right-angled curb. • In harsh sunlight or intense cold weather In addition to the examples above, there are instances in which, because of their shapes, signs and other objects may be judged by the sensor to be closer than they are. ●The shape of the obstacle may prevent the sensor from detecting it. Pay particular attention to the following obstacles: • Wires, fences, ropes etc. • Cotton, snow and other materials that absorb sound waves • Sharply-angled objects • Low obstacles • Tall obstacles with upper sections projecting outwards in the direction of your vehicle 319 SIENNA_U (OM45477U) 2-4. Using other driving systems ■If the display flashes and a message is displayed →P. 744 ■Certification (Canada only) This ISM device complies with Canadian ICES-001. ■When there is a malfunction In the following cases, have the vehicle inspected by your Toyota dealer. ●If the bumper is damaged. ●If the intuitive parking assist indicator light remains on without a beep sounds. CAUTION ■Caution when using the Intuitive parking assist-sensor Observe the following precautions. Failure to do so may result in the vehicle being unable to be driven safely and possibly cause an accident. ●Do not use the sensor at speeds in excess of 6 mph (10 km/h). ●Do not attach any accessories within the sensor range. NOTICE ■Notes when washing the vehicle Do not apply intensive bursts of water or steam to the sensor area. Doing so may result in the sensor malfunctioning. 320 SIENNA_U (OM45477U) 2 2-4. Using other driving systems Rear view monitor system∗ The rear view monitor system assists the driver by displaying an image of the area behind the vehicle while reversing. The image is displayed in reverse on the screen. This reversed image is a similar image to the one on the inside rear view mirror. The rear view image is dis- played when the shift lever is in the R position. If the shift lever is shifted out of R, the screen returns to the previous one. ∗: If equipped 321 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Displayed area Corners of bumper The area covered by the camera is lim- ited. Objects that are close to either cor- ner of the bumper or under the bumper cannot be seen on the screen. The area displayed on the screen may vary depending on vehicle orientation or road conditions. 322 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Rear view monitor system camera In the following cases, it may be difficult to see the images on the screen, even when the system is functioning correctly. • The vehicle is in a dark area, such as at night. • The temperature near the lens is extremely high or low. • Water droplets are on the camera lens or humidity is high, such as when it rains. • Foreign matter, such as snow and mud, adheres to the camera lens. • The sun or headlights are shining directly into the camera lens. • When the camera is used under fluo- rescent lights, sodium lights, mercury lights etc., the lights and the illumi- nated areas may appear to flicker. • If the lens is scratched. ■Smear effect SIENNA_U (OM45477U) If a bright light, such as sunlight reflected off the vehicle body, is picked up by the camera, a smear effect* characteristic to the camera may occur. *: Smear effect – A phenomenon that occurs when a bright light is picked up by the camera; when transmitted by the camera, the light source appears to have a vertical streak above and below it. 323 2-4. Using other driving systems ■Driving precautions the grade behind When the vehicle slopes up sharply, objects appear to be farther away than they actually are. the grade behind When the vehicle slopes down sharply, objects appear to be closer than they actually are. 324 SIENNA_U (OM45477U) 2 2-4. Using other driving systems When any part of the vehicle sags due to the number of passengers or the distribu- tion of the load, there is a margin of error between the guide lines on the screen and the actual distance/course on the road. ■Setting the rear view monitor system displays Vehicles with navigation system →“NAVIGATION SYSTEM OWNER’S MANUAL” Vehicles without navigation system →P. 259 325 SIENNA_U (OM45477U) 2-4. Using other driving systems CAUTION ■When using the rear view monitor system Observe the following precautions to avoid an accident that could result in death or serious injuries: ●Never depend solely on the monitor system when reversing. ●Always check visually and with the mirrors to confirm your intended path is clear. ●Depicted distances between objects and flat surfaces differ from actual distances. ●Do not use the system if the back door is open. ■Conditions which may affect the rear view monitor system ●If the back of the vehicle has been hit, the camera’s position and mounting angle may have changed. Have the vehicle inspected by your Toyota dealer. ●Rapid temperature changes, such as when hot water is poured on the vehicle in cold weather, may cause the system to function abnormally. ●If the camera lens is dirty, it cannot transmit a clear image. Rinse with water and wipe with a soft cloth. If the camera lens is extremely dirty, wash with a mild cleanser and rinse. ●The displayed image may be darker and moving images may be slightly distorted when the system is cold. ●When washing the vehicle, do not apply intensive bursts of water to the camera or camera area. Doing so may result in the camera malfunction. ●Do not scrub the lens strongly or polish the lens using stiff brushes or abrasive cleansers. Doing so could scratch the lens and affect the image. ●Do not allow organic solvent, car wax, window cleaner or glass coat to adhere to the camera. If this happens, wipe it off as soon as possible. 326 SIENNA_U (OM45477U) 2 2-4. Using other driving systems Driving assist systems To help enhance driving safety and performance, the following sys- tems operate automatically in response to various driving situations. Be aware, however, that these systems are supplementary and should not be relied upon too heavily when operating the vehicle. ■ ABS (Anti-lock Brake System) Helps to prevent wheel lock when the brakes are applied suddenly, or if the brakes are applied while driving on a slippery road surface ■ Brake assist Generates an increased level of braking force after the brake pedal is depressed, when the system detects a panic stop situation ■ VSC (Vehicle Stability Control) Helps the driver to control skidding when swerving suddenly or turning on slippery road surfaces ■ Enhanced VSC (Enhanced Vehicle Stability Control) Provides cooperative control of the ABS, TRAC, VSC and EPS. Helps to maintain directional stability when swerving on slippery road surfaces by controlling steering performance. ■ TRAC (Traction Control) Helps to maintain drive power and prevent the drive wheels from spin- ning when starting the vehicle or accelerating on slippery roads ■ Hill-start assist control (if equipped) →P. 333 ■ EPS (Electric Power Steering) Employs an electric motor to reduce the amount of effort needed to turn the steering wheel 327 SIENNA_U (OM45477U) 2-4. Using other driving systems ■ Active Torque Control 4WD (AWD models only) Automatically switches from front-wheel drive to AWD (All-Wheel Drive) according to driving conditions, helping to ensure reliable handling and stability. Examples of conditions where the system will switch to AWD are when cornering, going uphill, starting off or accelerating, and when the road surface is slippery due to snow or rain etc. ■ VDIM (Vehicle Dynamics Integrated Management) (if equipped) Provides integrated control of the ABS, brake assist, TRAC, VSC, hill- start assist control, and EPS systems Helps to maintain vehicle stability when swerving on slippery road sur- faces by controlling the brakes and engine output ■ PCS (Pre-Collision System) (if equipped) →P. 336 When the Enhanced VSC/TRAC systems are operating the slip If the vehicle is in danger of slip- ping or if any of the drive wheels spins, light flashes the Enhanced VSC/TRAC systems are operating. indicator that indicate to A buzzer (intermittent) sounds to indicate that VSC is operating. 328 SIENNA_U (OM45477U) 2-4. Using other driving systems Disabling TRAC and VSC system If the vehicle gets stuck in fresh snow or mud, TRAC and VSC may reduce power from the engine to the wheels. You may need to turn the system off to enable you to rock the vehicle in order to free it. ■ Turning off the TRAC system only To turn the TRAC system off, quickly press and release the button. The “TRAC OFF” indicator light will come on. Push the button again to turn the system back on. ■ Turning off both TRAC and VSC systems To turn the TRAC and VSC sys- tems off, press and hold the but- ton for more than 3 seconds while the vehicle is stopped. The “TRAC OFF” indicator light and VSC OFF indicator light will come on. Press the button again to turn the systems back on. 329 SIENNA_U (OM45477U) 2-4. Using other driving systems ■When the “TRAC OFF” indicator light comes on even if the VSC OFF switch has not been pressed TRAC and hill-start assist control cannot be operated. Contact your Toyota dealer. ■Sounds and vibrations caused by ABS, brake assist, Enhanced VSC and TRAC ●A sound may be heard from the engine compartment when the engine is started or just after the vehicle begins to move. This sound does not indi- cate that a malfunction has occurred in any of these systems. ●Any of the following conditions may occur when the above systems are operating. None of these indicates that a malfunction has occurred. • Vibrations may be felt through the vehicle body and steering. • A motor sound may be heard after the vehicle comes to a stop. • The brake pedal may pulsate slightly after ABS is activated. • The brake pedal may move down slightly after ABS is activated. ■EPS operation sound When the steering wheel is operated, a motor sound (whirring sound) may be heard. This does not indicate a malfunction. ■Reactivation of the TRAC and VSC systems after turning off the engine Turning off the engine after turning off the TRAC and VSC systems will auto- matically reactivate them. ■Reactivation of the TRAC system linked to vehicle speed When only the TRAC system is turned off, the TRAC system will turn on when vehicle speed increases. However, when both TRAC and VSC sys- tems are turned off, the systems will not turn on even when vehicle speed increases. 330 SIENNA_U (OM45477U) 2 2-4. Using other driving systems ■Reduced effectiveness of the EPS system The effectiveness of the EPS system is reduced to prevent the system from overheating when there is frequent steering input over an extended period of time. The steering wheel may feel heavy as a result. Should this occur, refrain from excessive steering input or stop the vehicle and turn the engine off. The EPS system should return to normal within 10 minutes. CAUTION ■ABS does not operate effectively when ●Tires with inadequate gripping ability are used (such as excessively worn tires on a snow covered road). ●The vehicle hydroplanes while driving at high speed on wet or slick roads. ■Stopping distance when ABS is operating may exceed that of normal conditions The ABS is not designed to shorten the vehicle’s stopping distance. Always maintain a safe distance from the vehicle in front of you in the following situ- ations. ●When driving on dirt, gravel or snow-covered roads ●When driving with tire chains ●When driving over bumps in the road ●When driving over roads with potholes or roads with uneven surfaces ■TRAC may not operate effectively when Directional control and power may not be achievable while driving on slip- pery road surfaces, even if the TRAC system is operating. Do not drive the vehicle in conditions where stability and power may be lost. 331 SIENNA_U (OM45477U) 2-4. Using other driving systems CAUTION ■When Enhanced VSC is activated The slip indicator light flashes and a warning buzzer sounds. Always drive carefully. Reckless driving may cause an accident. Exercise particular care when the indicator light flashes and a buzzer sounds. ■When TRAC and VSC systems are turned off Be especially careful and drive at a speed appropriate to the road condi- tions. As these are the systems to ensure vehicle stability and driving force, do not turn the TRAC and VSC systems off unless necessary. ■Replacing tires Make sure that all tires are of the specified size and of the same brand, tread pattern and total load capacity. In addition, make sure that the tires are inflated to the recommended tire pressure level. The ABS and Enhanced VSC systems will not function correctly if different tires are installed on the vehicle. Contact your Toyota dealer for further information when replacing tires or wheels. ■Handling of tires and suspension Using tires with any kind of problem or modifying the suspension will affect the driving assist systems, and may cause the system to malfunction. ■Active Torque Control 4WD system ●The AWD system of this vehicle is intended to ensure driving stability on normal roads. It is not designed for use in demanding situations such as rally driving. ●Take care when driving on slippery road surfaces. 332 SIENNA_U (OM45477U) 2 2-4. Using other driving systems Hill-start assist control∗ Hill-start assist control helps to prevent the vehicle from rolling backwards when starting on an incline or slippery slope. To engage hill-start assist con- trol, further depress the brake pedal when is stopped completely. the vehicle A buzzer will sound once to indicate that the system is acti- vated. The slip indicator will also start flashing. ∗: If equipped 333 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Hill-start assist control can be operated when • The shift lever is in a position other than P. • The parking brake is not applied. • The accelerator pedal is not depressed. ■Hill-start assist control ●While hill-start assist control is operating, the brakes remain automati- cally applied after the driver releases the brake pedal. The stop lights and the high mounted stoplight turn on. ●Hill-start assist control operates for about 2 seconds after the brake pedal is released. ●If the slip indicator does not flash and the buzzer does not sound when the brake pedal is further depressed, slightly reduce the pressure on the brake pedal (do not allow the vehicle to roll backward) and then firmly depress it again. If the system still does not operate, check if the operat- ing conditions explained above have been met. ■Hill-start assist control buzzer ●When hill-start assist control is activated, the buzzer will sound once. ●In the following situations, hill-start assist control will be canceled and the buzzer will sound twice. • No attempt is made to drive the vehicle within approximately 2 seconds of releasing the brake pedal. • The shift lever is moved to P. • The parking brake is applied. • The brake pedal is depressed again. • The brake pedal has been depressed for more than approximately 3 minutes. ■If the slip indicator comes on... It may indicate a malfunction in the system. Contact your Toyota dealer. 334 SIENNA_U (OM45477U) 2-4. Using other driving systems CAUTION ■Hill-start assist control ●Do not overly rely on hill-start assist control. Hill-start assist control may not operate effectively on extremely steep inclines or roads covered in ice. ●Unlike the parking brake, hill-start assist control is not intended to hold the vehicle stationary for an extended period of time. Do not attempt to use hill-start assist control to hold the vehicle on an incline for an extended period of time, as doing so may lead to an accident. 335 SIENNA_U (OM45477U) 2-4. Using other driving systems PCS (Pre-Collision System)∗ When the radar sensor detects that a frontal collision is highly likely or even unavoidable, the systems such as the brakes and seat belts are automatically engaged to lessen impact to occupants as well as vehicle damage. ■ Pre-collision seat belts (front seat belts only) If the pre-collision sensor detects that a collision is unavoidable, the pre-collision system will retract the seat belt before the colli- sion occurs. The same will happen if the driver makes an emer- gency braking or loses control of the vehicle. (→P. 131) However, when the VSC system is disabled, the system will not operate in the event of skidding. ■ Pre-collision brake assist When there is a high possibility of a frontal collision, the system applies greater braking force in relation to how strongly the brake pedal is depressed. ■ Pre-collision braking When there is a high possibility of a frontal collision, the system warns the driver using a warning light and buzzer. If the system determines that a collision is unavoidable, the brakes are auto- matically applied to reduce the collision speed. Pre-collision braking can be disabled using the pre-collision braking off switch. ∗: If equipped 336 SIENNA_U (OM45477U) Disabling pre-collision braking Radar sensor 2-4. Using other driving systems Pre-collision braking disabled Pre-collision braking enabled The “PCS” warning light flashes when pre-collision braking is dis- abled. The radar sensor detects vehi- cles or other obstacles on or near the road ahead and deter- mines whether a collision is imminent based on the position, speed, and heading of the obsta- cles. 337 SIENNA_U (OM45477U) 2-4. Using other driving systems ■The pre-collision system is operational when ●Pre-collision seat belts (type A): • Vehicle speed is greater than about 4 mph (5 km/h). • The speed at which your vehicle is approaching the obstacle or oncom- ing vehicle is greater than about 19 mph (30 km/h). • The front occupants are wearing a seat belt. ●Pre-collision seat belts (type B): • Vehicle speed greater than about 19 mph (30 km/h). • The system detects sudden braking or skidding. • The front occupants are wearing a seat belt. ●Pre-collision brake assist: • Vehicle speed is greater than about 19 mph (30 km/h). • The speed at which your vehicle is approaching the obstacle or the vehicle running ahead of you is greater than about 19 mph (30 km/h). • The brake pedal is depressed. ●Pre-collision braking: • The pre-collision braking off switch is not pressed. • Vehicle speed is greater than about 10 mph (15 km/h). • The speed at which your vehicle is approaching the obstacle or the vehicle running ahead of you is greater than about 10 mph (15 km/h). 338 SIENNA_U (OM45477U) 2-4. Using other driving systems ■Conditions that may trigger the system even if there is no possibility of a collision ●When there is an object by the roadside at the entrance to a curve ●When passing an oncoming vehicle on a curve ●When driving over a narrow iron bridge ●When there is a metal object on the road surface ●When driving on an uneven road surface ●When passing an oncoming vehicle on a left-turn ●When your vehicle rapidly closes on the vehicle in front ●When a grade separation/interchange, sign, billboard, or other structure appears to be directly in the vehicle’s line of travel ●When climbing a steep hill causes an overhead billboard or other metallic structure to appear directly in the vehicle’s line of travel ●When there is an overhead bridge, sign or billboard ahead ●When there are excessive changes in the vehicle height (when it tilts for- wards or backwards) ●When there is an abnormality in the radar sensor ●When an overhead metal object can be seen at the top of an uphill road ●When passing through an electronic toll collection gate (only in countries with electronic toll collection) When the system is activated in the situations described above, there is also a possibility that the seat belts will retract quickly and the brakes will be applied with a force greater than normal. When the seat belt is locked in the restricted position, stop the vehicle in a safe place, release the seat belt and refasten it. ■Obstacles not detected The sensor cannot detect plastic obstacles such as traffic cones. There may also be occasions when the radar sensor cannot detect pedestrians, ani- mals, bicycles, motorcycles, trees, or snowdrifts. 339 SIENNA_U (OM45477U) 2-4. Using other driving systems ■When there is a malfunction in the system Warning lights will turn on or flash. (→P. 729) ■Certification U.S.A. FCC ID: HYQDNMWR005 This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interfer- ence, and (2) this device must accept any interference received, including interference that may cause undesired operation. FCC WARNING Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Radiofrequency radiation exposure Information: This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance of 20 cm between the radiator (antenna) and your body. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. Canada Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, includ- ing interference that may cause undesired operation of the device. 340 SIENNA_U (OM45477U) 2 2-4. Using other driving systems CAUTION ■Limitations of the pre-collision system Do not overly rely on the pre-collision system. Always drive safely, taking care to observe your surroundings and checking for any obstacles or other road hazards. ■Cautions regarding the assist contents of the system By means of alarms and brake control, the pre-collision system is intended to assist the driver in avoiding collisions through the process of LOOK- JUDGE-ACT. There are limits to the degree of assistance the system can provide, so please keep in mind the following important points. ●Assisting the driver in watching the road The pre-collision system is only able to detect obstacles directly in front of the vehicle, and only within a limited range. It is not a mechanism that allows careless or inattentive driving, and it is not a system that can assist the driver in low-visibility conditions. It is still necessary for the driver to pay close attention to the vehicle’s surroundings. ●Assisting the driver in making correct judgment When attempting to estimate the likelihood of a collision, the only data available to the pre-collision system is that from obstacles it has detected directly in front of the vehicle. Therefore, it is absolutely necessary for the driver to remain vigilant and to determine whether or not there is a possi- bility of collision in any given situation. ●Assisting the driver in taking action The pre-collision system’s braking assist feature is designed to help reduce the severity of a collision, and so only acts when the system has judged that a collision is unavoidable. This system by itself is not capable of automatically avoiding a collision or bringing the vehicle to a stop safety. For this reason, when encountering a dangerous situation the driver must take direct and immediate action in order to ensure the safety of all involved. 341 SIENNA_U (OM45477U) 2-4. Using other driving systems CAUTION ■Handling the radar sensor Observe the following to ensure the pre-collision system can function effec- tively: ●Keep the sensor and front grille clean at all times. Clean the sensor and front grille with a soft cloth so you do not mark or damage them. ●Do not subject the sensor or surrounding area to a strong impact. If the sensor moves even slightly off position, the system may malfunction. If the sensor or surrounding area is subject to a strong impact, always have the area inspected and adjusted by your Toyota dealer. ●Do not disassemble the sensor. ●Do not attach accessories or stickers to the sensor, grille or surrounding area. ●Do not modify or paint the sensor and grille cover. 342 SIENNA_U (OM45477U) 2-5. Driving information Cargo and luggage Take notice of the following information about storage precau- tions, cargo capacity and load: ● Stow cargo and luggage in the luggage compartment whenever possible. ● Be sure all items are secured in place. ● To maintain vehicle balance while driving, position luggage evenly within the luggage compartment. ● For better fuel economy, do not carry unnecessary weight. 343 SIENNA_U (OM45477U) 2-5. Driving information Capacity and distribution Cargo capacity depends on the total weight of the occupants. (Cargo capacity) = (Total load capacity) - (Total weight of occupants) Steps for Determining Correct Load Limit ⎯ (1) Locate the statement “The combined weight of occupants and cargo should never exceed XXX kg or XXX lbs.” on your vehi- cle’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 passengers from XXX kg or XXX lbs. (4) The resulting figure equals the available amount of cargo and luggage load capacity. For example, if the “XXX” amount equals 1400 lbs. and there will be five 150 lb passengers in your vehicle, the amount of avail- able cargo and luggage load capacity is 650 lbs. (1400 - 750 (5 × 150) = 650 lbs.) (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. 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. (→P. 784) (6) 344 SIENNA_U (OM45477U) 2-5. Driving information Example based on your vehicle Cargo capacity Total load capacity When 2 people with the combined weight of 366 lb. (166 kg) are riding in your vehicle, which has a total load capacity of 1660 lb. (750 kg)*, the available amount of cargo and luggage load capacity will be as follows: 1660 lb. - 366 lb. = 1294 lb. (750 kg - 166 kg = 584 kg) In this condition, if 3 more passengers with the combined weight of 388 lb. (176 kg) get on, the available cargo and luggage load will be reduced as follows: 1294 lb. - 388 lb. = 906 lb. (584 kg - 176 kg = 408 kg) *: The capacity weight varies depending on the vehicle model. (→P. 784) As shown in the example above, if the number of occupants increases, the cargo and luggage load will be reduced by an amount that equals the increased weight due to the additional occupants. In other words, if an increase in the number of occupants causes an excess of the total load capacity (combined weight of occupants plus cargo and luggage load), you must reduce the cargo and luggage on your vehicle. 345 SIENNA_U (OM45477U) 2-5. Driving information Roof luggage carrier (if equipped) ■ Roof luggage carrier components Roof rails Cross rails ■ Adjusting the position of cross rails Turn the knobs counterclockwise to release the cross rails. Slide the cross rails to the appro- priate position for loading lug- gage and the knobs clockwise to tighten the cross rails securely. turn 346 SIENNA_U (OM45477U) Seating configuration variation 2-5. Driving information Cargo capacity Weight of the removed second seat If removing the second seats, it is possible to load extra cargo equal to the weight of the removed seats. (Cargo capacity) = (Total load capacity) - (Total weight of occupants) + (Weight of the removed second seats) Second seats weight: 7-passenger models Tip-up seat, fabric: 45 lb. (21 kg) Tip-up seat, leather: 47 lb. (22 kg) Ottoman seat: 83 lb. (37 kg) 8-passenger models Right side, fabric: 45 lb. (21 kg) Right side, leather: 47 lb. (22 kg) Left side, fabric: 80 lb. (36 kg) Left side, leather: 83 lb. (37 kg) 347 SIENNA_U (OM45477U) 2-5. Driving information CAUTION ■Things that must not be carried in the luggage compartment The following things may cause a fire if loaded in the luggage compart- ment: ●Receptacles containing gasoline ●Aerosol cans ■Storage precautions Observe the following precautions. Failing to do so may result in death or serious injury. ●Stow cargo and luggage in the luggage compartment whenever possi- ble. ●Do not stack anything in the luggage compartment higher than the seatbacks. Such items may be thrown about and possibly injure peo- ple in the vehicle in the event of sudden braking or in an accident. ●Do not place cargo or luggage in or on the following locations as the item may get under the brake or accelerator pedal and prevent the pedals from being depressed properly, block the driver’s vision, or hit the driver or passengers, causing an accident. • Driver’s feet • Front passenger or rear seats (when stacking items) • Instrument panel • Dashboard • Auxiliary box or tray that has no lid 348 SIENNA_U (OM45477U) 2 2-5. Driving information CAUTION ■Storage precautions ●Secure all items in the occupant compartment, as they may shift and injure someone during sudden braking, sudden swerving or an acci- dent. ●When you fold down the rear seats, long items should not be place directly behind the front seats. ●Never allow anyone to ride in the luggage compartment. It is not designed for passengers. They should ride in their seats with their seat belts properly fastened. Otherwise, they are much more likely to suffer death or serious bodily injury, in the event of sudden braking, sudden swerving or an accident. ■Capacity and distribution ●Do not exceed the maximum axle weight rating or the total vehicle weight rating. ●Even if the total load of occupant’s weight and the cargo load is less than the total load capacity, do not apply the load unevenly. Improper loading may cause deterioration of steering or braking con- trol which may cause death or serious injury. ■Cross rail adjustment Make sure the cross rails are locked securely by pushing forward and rearward them. Failure to do so may cause an unexpected accident. 349 SIENNA_U (OM45477U) 2-5. Driving information CAUTION ■When loading cargo Observe the following precautions: ●Place the cargo so that its weight is distributed evenly between the front and rear axles. ●If loading long or wide cargo, never exceed the vehicle overall length or width. (→P. 784) ●Before driving, make sure the cargo is securely fastened on the roof luggage carrier. ●Loading cargo on the roof luggage carrier will make the center of grav- ity of the vehicle higher. Avoid high speeds, sudden starts, sharp turns, sudden braking or abrupt maneuvers, otherwise it may result in loss of control or vehicle rollover due to failure to operate this vehicle correctly and result in death or serious injury. ●If driving for a long distance, on rough roads, or at high speeds, stop the vehicle now and then during the trip to make sure the cargo remains in its place. ●Do not exceed 150 lb. (68 kg) cargo weight on the roof luggage carrier. NOTICE ■When loading cargo (vehicles with moon roof) Be careful not to scratch the surface of the moon roof. 350 SIENNA_U (OM45477U) 2-5. Driving information Vehicle load limits Vehicle load limits include total load capacity, seating capacity, TWR (Trailer Weight Rating) and cargo capacity. ■ Total load capacity: (→P. 784) Total load capacity means the combined weight of occupants, cargo and luggage. ■ Seating capacity: 7 or 8 occupants (Front 2, Rear 5 or 6) Seating capacity means the maximum number of occupants whose estimated average weight is 150 lb. (68 kg) per person.

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2012 Toyota Sienna Owners Manual