2015 Toyota Prius Owners Manual

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●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. 289 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems LKA (Lane-Keeping Assist) While driving on a freeway or motor highway that has lane markers and no sharp curves, the system recognizes the lanes using a cam- era located above the inside rear view mirror as a sensor to assist the driver with staying in the lane. The LKA system has two func- tions. Camera sensor 290 : If equipped PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems Functions included in the LKA Lane departure warning function If the system judges that the vehicle may deviate from its lane, it alerts the driver using beeping, screen displays and a sensory warning* given via the steering wheel. *: A slight steering torque is applied for a short period of time in the direc- tion of the center of the lane. Lane keeping assist function • This function will be active when the vehicle-to-vehicle distance control mode of the cruise control (P. 273) is set with vehicle speed above approximately 45 mph (72 km/h) and while the lane departure warning function is active. • When the lane keeping assist function is active, a slight steering torque will be applied, to help the driver maintain the vehicle inside the lane. The lane keeping assist function will be temporarily canceled if the steer- ing wheel is not operated, or if you continue driving with your hands lightly touching the steering wheel. (P. 295) 291 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems Turning the LKA system on Press the “LKA” switch to acti- vate the system. “LKA” indicator will come on. Press the switch again to turn the LKA system off. The LKA system will revert to off each time the “POWER” switch is turned to ON mode. 292 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems Operating conditions for each function ■ Lane departure warning function ● When the vehicle speed is approximately 30 mph (48 km/h) or more ● When the lane width is more than approximately 9.1 ft. (2.8 m) ● When driving on a straight road or through a curve with a radius of more than approximately 394 ft. (120 m) ■ Lane keeping assist function ● When the vehicle speed is between approximately 45 and 112 mph (72 and 180 km/h) ● When the vehicle-to-vehicle distance mode of the radar cruise control is on, and the set vehicle speed is approximately 45 mph (72 km/h) or more (the function will not operate when the radar cruise control is in set speed mode) ● When the lane width is between approximately 9.1 and 13.1 ft. (2.8 and 4.0 m) ● When driving on a straight road or through a curve with a radius of more than approximately 656 ft. (200 m) 293 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems Indication on the multi-information display When the LKA system is on, the lane line display and steering wheel display are shown. (If the time, Lane keeping assist function operation indication Steering wheel displayed: Indicates that the function is cur- rently operating. lane departure warning operates at this the steering wheel flashes.) Steering wheel not displayed: Indicates that the function is not currently operating. (When the lane keeping assist function is canceled, the buzzer will beep twice.) Dynamic radar cruise control display Lane departure warning func- tion (when solid indication lines are shown): The function has recognized lane markers. (If the lane departure warning operates at this time, the lines flash.) Lane departure warning func- tion indication (when thin lines are shown): A lane marker is not recognized by the system, or the LKA system functions are temporarily can- celed. 294 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems ■Temporary cancelation of the LKA system functions If any of the following occurs, the LKA system functions will be temporarily canceled. The functions will resume after the necessary operating conditions have returned. ●The steering wheel is turned as far as necessary to cause the vehicle to change lanes. ●When the system detects no-handed driving. (The lane keeping assist function will be temporarily canceled, but the lane departure warning function will continue.) ●The turn signal lever is operated. ●The vehicle speed deviates from the operating range of the LKA system functions. (The buzzer will beep twice when the lane keeping assist func- tion is being canceled.) ●When the lane lines cannot be recognized while driving. (The buzzer will beep twice when the lane keeping assist function is being canceled.) ●The wiper switch is set on high speed mode. (The lane keeping assist function will be temporarily canceled, but the lane departure warning function will continue.) ●If the vehicle crosses a line for approximately half a minute or more. (The lane keeping assist function will be temporarily canceled, but the lane departure warning function will continue.) ●When the lane departure warning function is activated. The lane departure warning function will not operate again for a several seconds after it has been activated, even if the vehicle leaves the lane again. ■The lane departure warning It may be difficult to feel the sensory warning depending on the road condi- tions. 295 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems ■No-handed driving warning If the steering wheel is not operated for approximately 15 seconds on a straight road or approximately 5 seconds on a curve, the buzzer will beep twice, indicators on the multi-information display will flash, and the lane keeping assist function will be temporarily canceled. If you drive the vehicle with your hands lightly touching the steering wheel, this may also be detected as no-handed driving. ■After the vehicle has been parked in the sun The LKA system functions may not be available and a warning message (P. 524) will be displayed for a while after driving has started. In such cases, turn the LKA system off and turn it on again after normal temperature returns. When the temperature in the cabin decreases and the temperature around the camera sensor (P. 290) becomes suitable for its operation, the functions will begin to operate. ■If there are lane markers on only one side of the vehicle The lane keeping assist function will not operate. Also, the lane departure warning will not operate for the side on which lane markers could not be rec- ognized. ■Conditions in which the function may not operate correctly In the following conditions, the LKA system functions may not operate, or it may not be possible to ensure adequate performance. Also, the camera sensor may be unable to recognize lane lines causing the lane departure warning function to operate incorrectly, or the lane keeping assist function may not operate properly. However, this does not indicate a malfunction. ●When driving through an area with no lane markers, such as a tollbooth, a crossing or before a ticket checkpoint ●When driving on a sharp curve ●When lanes are extremely narrow or extremely wide ●When the vehicle leans to one side an unusual amount due to a heavy load or improper tire inflation pressure ●When the following distance between your vehicle and the vehicle ahead is extremely short 296 PRIUS_OM_OM47A17U_DVD_(U) 2 2-4. Using other driving systems ●When the lane markers are yellow (These may be more difficult for the system to recognize compared to white markers.) ●When the lane markers are broken, “Botts’ dots”, “Raised pavement marker” or stones ●When lane markers are obscured or partially obscured by sand, dirt, etc. ●When there are shadows on the road running parallel with lane markers, or if a shadow covers the lane markers ●When driving on a particularly bright road surface, such as concrete ●When driving on a road surface that is bright due to reflected light ●When driving in a location where the light level changes rapidly, such as the entrance to or exit from a tunnel ●When sunlight or the headlights of oncoming vehicles are shining directly into the camera lens ●When driving on roads that are branching or merging ●When driving on a road surface that is wet due to rain, previous rainfall, standing water, etc. ●When the vehicle experiences strong up-and-down motion such as when driving on an extremely rough road or on a seam in the pavement ●When headlight brightness at nighttime is reduced due to dirt on the lenses, or when the headlights are misaligned ●When driving with a strong crosswind ●When driving on winding roads or roads that are uneven ●When driving on rough or unpaved roads ■When changing the tires Depending on the tires used, sufficient performance may not be maintain- able. ■Warning messages for LKA Warning messages are used to indicate a system malfunction or to inform the driver of the need for caution while driving. (P. 521, 524) 297 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems CAUTION ■Before using the LKA system Do not rely solely on the LKA system. The LKA system does not drive the vehicle automatically, nor does it reduce the amount of care you need to take. As such, the driver must always assume full responsibility for under- standing his/her surroundings, for operating the steering wheel to correct the driving line, and for driving safely. Inappropriate or negligent driving could lead to an accident. ■To avoid operating the LKA by mistake Switch the LKA off using the “LKA” switch when not in use. ■Situations unsuitable for LKA Do not use LKA in any of the following situations. Otherwise, the system may not function correctly and could result in an acci- dent. ●When driving with snow tires, tire chains, a spare tire, or similar equipment ●When the tires have been excessively worn, or when the tire inflation pres- sure is low. ●When there are objects or structures along the roadside that might be mis- interpreted as lane markers (such as guardrails, curb, reflector posts, etc.) ●When driving on snowy roads ●When pavement lane markers are difficult to see due to rain, snow, fog, etc. ●When there are visible lines on the pavement from road repairs, or if the remains of old lane markers are still visible on the road ●When driving on slippery roads, such as those covered with rain, ice or snow ●When driving in a lane other than the driving or passing lanes on a freeway or highway ●When driving on a road with lane closures due to maintenance, or when driving in a temporary lane ●During emergency towing 298 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems NOTICE ■To prevent damage to or incorrect operation of the LKA system ●Do not modify the headlights or attach stickers to the surface of the lights. ●Do not modify the suspension or sun visor, or replace them with non-genu- ine parts. ●Do not install or place anything on the hood or the grille. Also, do not install a grille guard (bull bars, kangaroo bar etc.). ●Do not modify the sun visor or replace it with anything other than a genu- ine Toyota product. ●If your windshield needs repairs, contact your Toyota dealer. ■Camera sensor (P. 290) Observe the following to ensure that the LKA system functions correctly. ●Keep the windshield clean at all times. Performance could be affected if the windshield is dirty, or if raindrops, condensation or ice are adhering to the windshield. ●Do not attach a sticker or other items to the windshield near the camera sensor. ●Do not install or place anything near the camera. ●When adjusting the rear view mirror, make sure that it does not block the camera lens. ●Do not attach window tinting to the windshield. ●Do not install an antenna in front of the camera lens. ●If the windshield is fogged up, use the windshield defogger to remove fog from the windshield. When it is cold, using the heater with air blowing to the feet may allow the upper part of the windshield to fog up. This will have a negative effect on the images. 299 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems NOTICE ●Do not place anything on the dashboard. The camera sensor may recognize the image reflected on the windshield as lane markers by mistake. ●Do not scratch the camera lens, or let it get dirty. When cleaning the inside of the windshield, be careful not to get any glass cleaner etc. on the lens. Also, do not touch the lens. For lens repair, contact your Toyota dealer. ●Do not change the installation position or direction of the camera sensor or remove it. The direction of the camera sensor is precisely adjusted. ●Do not subject the camera sensor to strong impact or force, and do not disassemble the camera sensor. 300 PRIUS_OM_OM47A17U_DVD_(U) 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 ■ 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 ■ EPS (Electric Power Steering) Employs an electric motor to reduce the amount of effort needed to turn the steering wheel ■ 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. 301 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems ■ Hill-start assist control P. 306 ■ PCS (Pre-Collision System) (if equipped) P. 308 When the TRAC/VSC/ABS systems are operating The slip indicator light will flash while the TRAC/VSC/ABS sys- tems are operating. 302 PRIUS_OM_OM47A17U_DVD_(U) 2 2-4. Using other driving systems ■Sounds and vibrations caused by the ABS, brake assist, VSC and TRAC ●A sound may be heard from the engine compartment when the hybrid system is started, just after the vehicle begins to move, if the brake pedal is depressed forcefully or repeatedly, or 1-2 minutes after the hybrid sys- tem is stopped. This sound does not indicate 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 the ABS is activated. • The brake pedal may move down slightly after the 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. ■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 hybrid system off. The EPS system should return to normal within 10 minutes. *: If the LKA (Lane-Keeping Assist) system (if equipped) cannot operate in this case, a warning message will be shown on the multi-information dis- play. ■Electric power steering system warning light (warning buzzer) P. 511 303 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems CAUTION ■The ABS does not operate effectively when ●The limits of tire gripping performance have been exceeded (such as excessively worn tires on a snow covered road). ●The vehicle hydroplanes while driving at high speed on wet or slick road. ■Stopping distance when the ABS is operating may exceed that of nor- mal 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, especially in the fol- lowing situations: ●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 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. Drive the vehicle carefully in conditions where stability and power may be lost. ■When the VSC is activated The slip indicator light flashes. Always drive carefully. Reckless driving may cause an accident. Exercise particular care when the indicator light flashes. 304 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems CAUTION ■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 inflation pressure level. The ABS and 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 the suspension Using tires with any kind of problem or modifying the suspension will affect the driving assist systems, and may cause a system to malfunction. 305 PRIUS_OM_OM47A17U_DVD_(U) 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 the system is acti- vated. The slip indicator will also start flashing. ■Hill-start assist control operating conditions ●The system operates in the following situations: • The shift position is in a position other than P. • The parking brake is not applied. • The accelerator pedal is not depressed. ●Hill-start assist control cannot be operated while the slip indicator light is illuminated. ■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. 306 PRIUS_OM_OM47A17U_DVD_(U) 2 2-4. Using other driving systems ■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. • Push the P position switch. • 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 light comes on It may indicate a malfunction in the system. Contact your Toyota dealer. CAUTION ■Hill-start assist control ●Do not overly rely on the 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. 307 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems PCS (Pre-Collision System) When the radar sensor detects possibility of a frontal collision, the pre-collision systems such as the brakes and seat belts are automat- ically engaged to lessen impact 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 collision occurs. The same will happen if the driver makes an emergency braking or loses control of the vehicle. (P. 112) However, when the VSC system is disabled, the system will not oper- ate 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. The system may not warn the driver using a warning light, warning display and buzzer when the system detects and judges brak- ing operations. ■ Pre-collision braking When there is a high possibility of a frontal collision, the system warns the driver using a warning light, warning display and buzzer. If the sys- tem determines that a collision is unavoidable, the brakes are automat- ically applied to reduce the collision speed. Pre-collision braking can be disabled using the pre-collision braking off switch. 308 : If equipped PRIUS_OM_OM47A17U_DVD_(U) Disabling pre-collision braking 2-4. Using other driving systems Pre-collision braking enabled Pre-collision braking disabled The “PCS” warning light will turn on when pre-collision braking is disabled. Radar sensor 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. 309 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems ■The pre-collision system is operational when ●Pre-collision seat belts (operating conditions A): • Vehicle speed is 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 seat belts (operating conditions B): • Vehicle speed is greater than about 4 mph (5 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 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: • 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). • The pre-collision braking off switch is not pressed. 310 PRIUS_OM_OM47A17U_DVD_(U) 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 (nose up, nose down) ●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 the steep angle of the road causes a metal object located beneath the road surface to be seen ahead of the vehicle ●When an extreme change in vehicle height occurs ●When the axis of the radar is out of adjustment ●When passing through certain toll gates ●When passing through an overpass 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 may be applied with a force greater than normal. When the seat belt is locked in the retracted position, stop the vehicle in a safe place, release the seat belt and refasten it. 311 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems ■Obstacles not detected The sensor cannot detect plastic obstacles such as traffic cones. There may also be occasions when the sensor cannot detect pedestrians, animals, bicycles, motorcycles, trees, or snowdrifts. ■Situations in which the pre-collision system does not function properly The system may not function effectively in situations such as the following: ●On roads with sharp bends or uneven surfaces ●If a vehicle suddenly moves in front of your vehicle, such as at an inter- section ●If a vehicle suddenly cuts in front of your vehicle, such as when overtak- ing ●In inclement weather such as heavy rain, fog, snow or sand storms ●When your vehicle is skidding with the VSC system off ●When an extreme change in vehicle height occurs ●When the axis of the radar is out of adjustment ■Automatic cancelation of the pre-collision system When a malfunction occurs due to sensor contamination, etc. that results in the sensors being unable to detect obstacles, the pre-collision system will be automatically disabled. In this case, the system will not activate even if there is a collision possibility. ■When there is a malfunction in the system, or if the system is tempo- rarily unusable Warning lights and/or warning messages will turn on or flash. (P. 506, 520) 312 PRIUS_OM_OM47A17U_DVD_(U) 2 2-4. Using other driving systems ■Certification For vehicles sold in the U.S.A. FCC ID: HYQDNMWR004 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. For vehicles sold in Canada This device complies with licence-exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Industry Canada 313 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems CAUTION ■Limitations of the pre-collision system The driver is solely responsible for safe driving. Always drive safely, taking care to observe your surroundings. Do not use the pre-collision system instead of normal braking operations under any circumstances. This system will not prevent collisions or lessen damage or injuries in all cases. Do not overly rely on this system. Failure to do so may cause an accident, resulting in death or serious injury. This system has been designed to help avoid and reduce the impact of colli- sions. However, the system operates differently depending on the situation (P. 310, 311). As a result, the same level of performance may not be expected in all cases. Also, the pre-collision brakes may not operate if the driver is depressing the brake pedal or turning the steering wheel, as the system will determine such conditions as collision avoidance operations. 314 PRIUS_OM_OM47A17U_DVD_(U) 2 2-4. Using other driving systems CAUTION ■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 judgement When attempting to estimate the possibility 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 is not capable of auto- matically avoiding a collision or bringing the vehicle to a stop safely with- out appropriate operations performed by the driver. For this reason, when encountering a dangerous situation the driver must take direct and imme- diate action in order to ensure the safety of all involved. 315 PRIUS_OM_OM47A17U_DVD_(U) 2-4. Using other driving systems CAUTION ■When the sensor may not be correctly detecting the vehicle ahead Apply the brakes as necessary in any of the following situations. ●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.) ●Vehicles that cut in suddenly ●Vehicles with small rear ends (trailers with no load on board etc.) ●Motorcycles traveling in the same lane ■Handling the radar sensor Observe the following to ensure the pre-collision system can function effec- tively: ●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 become inaccurate or 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 cover or sur- rounding area. ●Do not modify or paint the sensor and grille cover. 316 PRIUS_OM_OM47A17U_DVD_(U) 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. 317 PRIUS_OM_OM47A17U_DVD_(U) 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 vehicle’s placard. (2) Determine the combined weight of the driver and passengers that will be riding in your vehicle. (3) Subtract the combined weight of the driver and passengers from XXX kg or XXX lbs. (4) The resulting figure equals the available amount of cargo and lug- gage 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 available 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. (6) If your vehicle will be towing a trailer, load from your trailer will be transferred to your vehicle. Consult this manual to determine how this reduces the available cargo and luggage load capacity of your vehicle. (P. 322) Toyota does not recommend towing a trailer with your vehicle. Your vehicle is not designed for trailer towing. 318 PRIUS_OM_OM47A17U_DVD_(U) Calculation formula for your vehicle 2-5. Driving information Cargo capacity Total load capacity (vehicle capacity weight) (P. 572) When 2 people with the combined weight of A lb. (kg) are riding in your vehicle, which has a total load capacity (vehicle capacity weight) of B lb. (kg), the available amount of cargo and luggage load capacity will be C lb. (kg) as follows: B*2 lb. (kg) – A*1 lb. (kg) = C*3 lb. (kg) *1: A = Weight of people *2: B = Total load capacity *3: C = Available cargo and luggage load In this condition, if 3 more passengers with the combined weight of D lb. (kg) get on, the available cargo and luggage load will be reduced E lb. (kg) as follows: C lb. (kg) – D*4 lb. (kg) = E*5 lb. (kg) *4: D = Additional weight of people *5: E = Available cargo and luggage load 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. 319 PRIUS_OM_OM47A17U_DVD_(U) 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. Failure to do so may result in death or serious injury. ●Stow cargo and luggage in the luggage compartment whenever possi- ble. ●Do not stack cargo and luggage in the luggage compartment higher than the seatbacks. Such items may be thrown about and possibly injure people 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: • At the feet of the driver • On the front passenger or rear seats (when stacking items) • On the luggage cover (if equipped) • On the instrument panel • On the dashboard 320 PRIUS_OM_OM47A17U_DVD_(U) 2-5. Driving information CAUTION ●Secure all items in the occupant compartment, as they may shift and injure someone in the event of an accident or sudden braking. ●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 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 control which may cause death or serious injury. 321 PRIUS_OM_OM47A17U_DVD_(U) 2-5. Driving information Vehicle load limits Vehicle load limits include total load capacity, seating capacity, towing capacity and cargo capacity. ■ Total load capacity (vehicle capacity weight): P. 572 Total load capacity means the combined weight of occupants, cargo and luggage. ■ Seating capacity: 5 occupants (Front 2, Rear 3) Seating capacity means the maximum number of occupants whose estimated average weight is 150 lb. (68 kg) per person. ■ Towing capacity Toyota does not recommend towing a trailer with your vehicle. ■ Cargo capacity Cargo capacity may increase or decrease depending on the weight and the number of occupants. ■Total load capacity and seating capacity These details are also described on the tire and loading information label. (P. 457) CAUTION ■Overloading the vehicle Do not overload the vehicle. It may not only cause damage to the tires, but also degrade steering and braking ability, resulting in an accident. 322 PRIUS_OM_OM47A17U_DVD_(U) 2 2-5. Driving information Winter driving tips Carry out the necessary preparations and inspections before driving the vehicle in winter. Always drive the vehicle in a manner appropri- ate to the prevailing weather conditions. ■ Pre-winter preparations ● Use fluids that are appropriate to the prevailing outside tem- peratures. • Engine oil • Engine/power control unit coolant • Washer fluid ● Have a service technician inspect the condition of the 12-volt battery. ● Have the vehicle fitted with four snow tires or purchase a set of tire chains for the front tires. Ensure that all tires are the same size and brand, and that chains match the size of the tires. 323 PRIUS_OM_OM47A17U_DVD_(U) 2-5. Driving information ■ Before driving the vehicle Perform the following according to the driving conditions: ● Do not try to forcibly open a window or move a wiper that is frozen. Pour warm water over the frozen area to melt the ice. Wipe away the water immediately to prevent it from freezing. ● To ensure proper operation of the climate control system fan, remove any snow that has accumulated on the air inlet vents in front of the windshield. ● Check for and remove any excess ice or snow that may have accumulated on the exterior lights, vehicle’s roof, chassis, around the tires or on the brakes. ● Remove snow or mud from the bottom of your shoes before getting in the vehicle. ■ When driving the vehicle Accelerate the vehicle slowly, keep a safe distance between you and the vehicle ahead, and drive at a reduced speed suitable to road conditions. ■ When parking the vehicle Park the vehicle and shift the shift position to P and block the wheel under the vehicle without setting the parking brake. The parking brake may freeze up, preventing it from being released. If necessary, block the wheels to prevent inadvertent sliding or creeping. 324 PRIUS_OM_OM47A17U_DVD_(U) 2 2-5. Driving information Selecting tire chains Vehicles with 17-inch tires Use the correct tire chain size when mounting the tire chains. Chain size is regulated for each tire size. Side chain: 0.12 in. (3.0 mm) 1.18 in. (30.0 mm) 0.39 in. (10.0 mm) Cross chain: 0.16 in. (4.0 mm) 0.98 in. (25.0 mm) 0.55 in. (14.0 mm) Vehicles with 15-inch tires Use the tire chains of correct size and type. Use SAE Class “S” type radial tire chains except radial cable chains or V-bar type chains. Regulations on the use of tire chains Regulations regarding the use of tire chains vary depending on loca- tion and type of road. Always check local regulations before installing chains. 325 PRIUS_OM_OM47A17U_DVD_(U) 2-5. Driving information ■Tire chain installation Observe the following precautions when installing and removing chains: ●Install and remove tire chains in a safe location. ●Install tire chains on the front tires only. Do not install tire chains on the rear tires. ●Install tire chains on front tires as tightly as possible. Retighten chains after driving 1/4 - 1/2 mile (0.5 - 1.0 km). ●Install tire chains following the instructions provided with the tire chains. CAUTION ■Driving with snow tires Observe the following precautions to reduce the risk of accidents. Failure to do so may result in a loss of vehicle control and cause death or serious injury. ●Use tires of the size specified. ●Maintain the recommended level of air pressure. ●Do not drive in excess of 75 mph (120 km/h), regardless of the type of snow tires being used. ●Use snow tires on all, not just some wheels. ●Do not use LKA (Lane-Keeping Assist) system (if equipped). 326 PRIUS_OM_OM47A17U_DVD_(U) 2 2-5. Driving information CAUTION ■Driving with tire chains Observe the following precautions to reduce the risk of accidents. Failure to do so may result in the vehicle being unable to be driven safely, and may cause death or serious injury. ●Do not drive in excess of the speed limit specified for the tire chains being used, or 30 mph (50 km/h), whichever is lower. ●Avoid driving on bumpy road surfaces or over potholes. ●Avoid sudden turns and braking, as use of chains may adversely affect vehicle handling. ●Slow down sufficiently before entering a curve to ensure that vehicle con- trol is maintained. ●Do not use LKA (Lane-Keeping Assist) system (if equipped). NOTICE ■Repairing or replacing snow tires Request repairs or replacement of snow tires from Toyota dealers or legiti- mate tire retailers. This is because the removal and attachment of snow tires affects the opera- tion of the tire pressure warning valves and transmitters. ■Fitting tire chains The tire pressure warning valves and transmitters may not function correctly when tire chains are fitted. 327 PRIUS_OM_OM47A17U_DVD_(U) 2-5. Driving information Trailer towing Toyota does not recommend towing a trailer with your vehicle. Toyota also does not recommend the installation of a tow hitch or the use of a tow hitch carrier for a wheelchair, scooter, bicycle, etc. Your vehicle is not designed for trailer towing or for the use of tow hitch mounted carriers. 328 PRIUS_OM_OM47A17U_DVD_(U) 2-5. Driving information Dinghy towing Your vehicle is not designed to be dinghy towed (with 4 wheels on the ground) behind a motor home. NOTICE ■To avoid serious damage to your vehicle Do not tow your vehicle with the four wheels on the ground. 329 PRIUS_OM_OM47A17U_DVD_(U) 2-5. Driving information 330 PRIUS_OM_OM47A17U_DVD_(U) Interior features 3-1. Using the air conditioning system and defogger Air conditioning system ........................... 332 Using the steering wheel climate remote control switches ......................... 343 Solar Ventilation System........................... 345 Remote Air Conditioning System........................... 348 Rear window and outside rear view mirror defoggers switch............ 352 3-2. Using the audio system Audio system types.......... 353 Using the AUX port/ USB port ........................ 358 3-3. Using the interior lights Interior lights list ............... 359 • Front interior lights ......... 360 • Personal lights ............... 361 • Rear interior light ........... 361 3-4. Using the storage features List of storage features.......................... 363 • Glove boxes................... 364 • Console box................... 365 • Cup holders ................... 366 • Bottle holders................. 368 • Auxiliary boxes............... 369 3-5. Other interior features Sun visors ........................ 370 Vanity mirrors................... 371 Outside temperature display............................ 372 Power outlets ................... 373 Seat heaters..................... 375 Armrest ............................ 377 Assist grips....................... 378 Floor mats ........................ 379 Luggage compartment features.......................... 381 Garage door opener......... 387 Safety Connect ................ 395 331 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger Air conditioning system Airflow and outlets are automatically adjusted according to the tem- perature setting. Outside temperature display (P. 372) Temperature control button Air outlet display Fan speed control button Temperature setting display Fan speed display Off Windshield defogger button Automatic mode Outside air or recirculated air mode Changes the air outlets used Micro dust and pollen filter Cooling and dehumidification function ON/OFF switch 332 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger Using the automatic mode STEP 1 Press The air conditioning system will begin to operate. Air outlets and fan speed are automatically adjusted according to the temperature set- ting. Press “▲” to increase the temperature and “▼” to decrease the temperature on the ■ Automatic mode indicator STEP 2 If the fan speed setting or air flow modes are operated, the auto- matic mode indicator goes off. However, automatic mode for func- tions other than that operated are maintained. Adjusting the settings ■ Changing the cooling and dehumidification function Press The cooling and dehumidification function switches between on and off each time the button is pressed. ■ Adjusting the temperature setting Press “▲” to increases the temperature and “▼” to decreases the temperature on the ■ Adjusting the fan speed Press  (increase) or  (decrease) on The fan speed is shown on the display. (7 levels) Press to turn the fan off. 333 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger ■ Changing the air outlets Press The air outlets switch each time the button is pressed. Air flows to the upper body. ITO31P105 Air flows to the upper body and feet. 334 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger Mainly air flows to the feet. Air flows to the feet and the windshield defogger operates. ■ Switching between outside air and recirculated air modes Press The modes switches between (recycles air inside the vehicle) and the button is pressed. (introduces air from outside the vehicle) modes each time 335 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger Defogging the windshield Press The air conditioning system con- trol operates automatically. Recirculated air mode will auto- matically switch to outside air mode. Micro dust and pollen filter Press Outside air mode switches to recirculated air mode. Pollen is removed from the air and the air flows to the upper part of the body. Usually the system will turn off automatically approximately 3 minutes later. To stop the operation, press again. 336 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger Adjusting the position of and opening and closing the air outlets ■ Adjusting the air outlets Center outlets Direct air flow to the left or right, up or down. Right and left side outlets Direct air flow to the left or right, up or down. 337 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger ■ Opening and closing the air outlets Center outlets Open the vent. Close the vent. Move the knob in the direction of the printed arrow until a click is heard. Right and left side outlets Open the vent. Close the vent. Move the knob in the direction of the printed arrow until a click is heard. 338 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger ■Using the automatic mode Fan speed is adjusted automatically in accordance with the temperature set- ting and ambient conditions. As a result, the following may occur. ●Immediately after is pressed, the fan may stop for a while until warm or cool air is ready to flow. ●Cool air may flow to the area around the upper body when the heater is on. ■Switching between outside air and recirculated air modes Recirculated air mode or outside air mode may be automatically switched in accordance with under these condition, such as temperature setting and inside temperature. Also, outside air mode may be automatically switched to when the outside temperature is low. ■When the outside temperature exceeds 75F (24C) and the air condi- tioning system is on ●In order to reduce the air conditioning power consumption, the air condi- tioning system may switch to recirculated air mode automatically. This may also reduce fuel consumption. ●Recirculated air mode is selected as a default mode when the “POWER” switch is turned to ON mode. ●It is possible to switch to outside air mode at any time by pressing ■Using the system in recirculated air mode The windows will fog up more easily if the recirculated air mode is used. ■Window defogger feature ●Recirculated air mode may automatically switch to outside air mode in situations where the windows need to be defogged. ●When the outside air temperature is low, it may take a while for the con- densation to clear from the windshield. 339 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger ■When is selected for the air outlets used For your driving comfort, air flowing to the feet may be warmer than air flow- ing to the upper body depending on the temperature setting. ■Micro dust and pollen filter ●In order to prevent the windows from fogging up when the outside air is cold, the following may occur. • Outside air mode does not switch to recirculated air mode. • The air conditioning system operates automatically. • The operation cancels after 1 minute. ●In rainy weather, the windows may fog up. Press ●Condensation may appear on the windows if this mode is used in abnor- mally high levels of humidity. ●Pollen will be collected by the filter even when micro dust and pollen filter mode is OFF. ■Maintenance of the air conditioning filter The air conditioning filter must be cleaned or changed regularly to maintain air conditioning efficiency according to the maintenance schedule. In dusty areas or areas with heavy traffic flow, early replacement may be required. (For scheduled maintenance information, refer to the “Owner’s Manual Supplement/ Scheduled Maintenance Guide”.) When inspecting, cleaning and replacing the air conditioning filter, contact your Toyota dealer. ■If air flow from the vents decreases dramatically The filter may be clogged. Contact your Toyota dealer. 340 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger ■Operation of the air conditioning system in Eco drive mode In the Eco drive mode, the air conditioning system is controlled as follows to prioritize fuel efficiency: ●Engine speed and compressor operation controlled to restrict heating/ cooling capacity ●Fan speed restricted when automatic mode is selected To improve air conditioning performance, perform the following operations: ●Adjust the fan speed ●Turn off Eco drive mode (P. 207) ●Customize the air conditioning control of Eco drive mode. (P. 602) ■When outside air temperature is below 32°F (0°C) The cooling and dehumidification function may not operate even when is pressed. ■Ventilation and air conditioning odors ●To let fresh air in, set the air conditioning system to the outside air mode. ●During use, various odors from inside and outside the vehicle may enter into and accumulate in the air conditioning system. This may then cause odor to be emitted from the vents. ●To reduce potential odors from occurring: • It is recommended that the air conditioning system be set to outside air mode prior to turning the vehicle off. • The start timing of the blower may be delayed for a short period of time immediately after the air conditioning system is started in automatic mode. ■Customization Settings (e.g. enable/disable automatic operation of the air conditioning compressor when the “AUTO” switch ON) can be changed. (Customizable features P. 602) 341 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger CAUTION ■To prevent the windshield from fogging up Do not use during cool air operation in extremely humid weather. The difference between the temperature of the outside air and that of the windshield can cause the outer surface of the windshield to fog up, blocking your vision. NOTICE ■To prevent 12-volt battery discharge Do not leave the air conditioning system on longer than necessary when the hybrid system is not operating. 342 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger Using the steering wheel climate remote control switches Some air conditioning features can be controlled using the switches on the steering wheel. Temperature control Outside air or recirculated air mode Adjusting the temperature setting Press “” on to increase the temperature and “” to decrease the temperature. Changing the outside air or recirculated air modes Press The mode switches between outside air mode and recirculated air mode each time the switch is pressed. 343 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger ■When operating the steering switches (vehicles with touch tracer dis- play) ●The steering switches operation status is displayed on the instrument cluster for confirmation purposes. (P. 218) ●Settings are shown on the multi-infor- mation display when the steering switch is operated. CAUTION ■To reduce the risk of an accident Exercise care when operating the air conditioning switches on the steering wheel. 344 PRIUS_OM_OM47A17U_DVD_(U) 3-1. Using the air conditioning system and defogger Solar Ventilation System The Solar Ventilation System uses energy provided by solar panel built into the roof to operate a fan contained within the air condition- ing system, allowing ventilation of the vehicle interior when the vehi- cle is parked in direct sunlight. ■ Activating the Solar Ventilation System STEP 1 With the “POWER” switch in ON mode, turn on the ventila- tion switch. Off On STEP 2 Turn the “POWER” switch off. After approximately 1 minute, outside air mode will be selected and the air vents will be put into upper body mode. After approximately 10 minutes, the ventilation operation will commence. The ventilation operation will be canceled if the “POWER” switch is turned to ON mode or the ventilation switch is turned off.

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2015 Toyota Prius Owners Manual