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2474-5. Using the driving support systems
4
Driving
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If the PCS warning light flashes or illuminates, and a warning message is
displayed on the multi-information display
The pre-collision system may be temporarily unavailable or ther e may be a
malfunction in the system.
● In the following situations, the warning light will turn off, t he message will
disappear and the system will become operational when normal op erating
conditions return:
• When the radar sensor or camera sensor or the area around eith er sen-
sor is hot, such as in the sun
• When the radar sensor or camera sensor or the area around eith er sen-
sor is cold, such as in an extremely cold environment
• When the radar sensor is dirty or covered with snow, etc.
• When the part of the windshield in front of the camera sensor is fogged
up or covered with condensation or ice
(Defogging the windshield: P. 323)
• If the camera sensor is obstructed, such as when the hood is open or a sticker is attached to the windshield near the camera sensor
● If the PCS warning light continues to flash or illuminate, or t he warning mes-
sage does not disappear, the system may be malfunctioning. Have the vehi-
cle inspected by your Toyota dealer immediately.
■ If VSC is disabled
●If VSC is disabled ( P. 304), the pre-collision brake assist and pre-collision
braking functions are also disabled.
● The PCS warning light will turn on and “VSC Turned Off Pre-Coll ision Brake
System Unavailable” will be displayed on the multi-information display.
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4366-3. Do-it-yourself maintenance
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WARNING
■Replacing light bulbs
● Turn off the lights. Do not attempt to replace the bulb immediately after
turning off the lights.
The bulbs become very hot and may cause burns.
● Do not touch the glass portion of the light bulb with bare hand s. When it is
unavoidable to hold the glass portion, use and hold with a clea n dry cloth
to avoid getting moisture and oils on the bulb.
Also, if the bulb is scratched or dropped, it may blow out or crack.
● Fully install light bulbs and any parts used to secure them. Failure to do so
may result in heat damage, fire, or water entering the headligh t unit. This
may damage the headlights or cause condensation to build up on the lens.
● Do not attempt to repair or disassemble light bulbs, connectors , electric
circuits or component parts.
Doing so may result in death or serious injury due to electric shock.
■ To prevent damage or fire
● Make sure bulbs are fully seated and locked.
● Check the wattage of the bulb before installing to prevent heat damage.
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4507-2. Steps to take in an emergency
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PCS warning lightWhen the warning light flashes:
Indicates a malfunction in the PCS (Pre-Collision Sys-
tem)
Have the vehicle inspected by your Toyota dealer
immediately.
When the warning light illuminates:
Indicates that the PCS (Pre-Collision System) is tem-
porarily unavailable, possibly due to either of the fol-
lowing:
• An area around the radar sensor or camera sensor being dirty or covered with condensation, ice, stick-
ers, etc.
Clear the dirt, condensation, ice, stickers, etc.
(P. 247, 464)
• Radar sensor or camera sensor operational condi- tions (such as temperature, etc.) being not met
Driving is possible in this case. The PCS (Pre-Col-
lision System) will be enabled if the operational
conditions (such as temperature, etc.) are met
again.
• Either the VSC (Vehicle Stability Control) system or PCS (Pre-Collision System) is disabled or both are
disabled.
To enable the PCS, ena ble both the VSC system
and PCS. ( P. 238, 304)
(Yellow)
LDA (Lane Departur e Alert) indicator*1
The indicator comes on and a warning message is dis-
played to indicate that the LDA (Lane Departure Alert)
system is not available temporarily or has detected a
malfunction.
P. 457
Low fuel level warning light
Indicates remaining fuel is approximately 4.0 gal.
(15 L, 3.3 Imp.gal.) or less
Refuel the vehicle.
Warning lightWarning light/Details/Actions
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4637-2. Steps to take in an emergency
7
When trouble arises
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Indicates that the dynamic radar cruise control
system cannot be used temporarily due to bad
weatherA buzzer also sounds.
Use the dynamic radar cruise control sys-
tem when it becomes available again.
The operation conditions of the camera sensor
(temperature, etc.) are not met.
When the operation conditions of the cam-
era sensor (temperature, etc.) are met, the
following systems will become available.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert) system
• Dynamic radar cruise control
• Automatic High Beam
Indicates that dirt, rain, condensation, ice, snow,
etc., are present on the windshield in front of the
camera sensor. The following systems will be
temporarily unusable.
• PCS (Pre-Collision System)
• LDA (Lane Departure Alert) system
• Dynamic radar cruise control
• Automatic High Beam
Turn the system off, remove any dirt, rain,
condensation, ice, snow, etc., from the
windshield, and then turn the system back
on.
Indicates that the Automatic High Beam switch is
pressed while the headlights are in low beam.
Turn the high beam on and press the Auto-
matic High Beam switch again.
Indicates that, since the VSC (Vehicle Stability
Control) system was turned off, the pre-collision
brake system operation is stopped.
Turn the VSC on. ( P. 304)
Warning messageDetails/Actions
Radar Cruise
Control
Unavailable
Front Camera
Unavailable
(Yellow)
Front Camera Unavailable
Remove Debris
On Windshield
(Yellow)
Auto High Beam Ready Turn ON High Beam to
Activate
VSC Turned Off
Pre-Collision Brake System
Unavailable