Page 263 of 592

2634-5. Toyota Safety Sense
UK AURIS_HV_HB_EE (OM12K47E)
4
Driving
■If the PCS warning light flashes and a warning message is displayed on
the multi-information display
The pre-crash safety system may be temporarily unavailable or there may be
a malfunction in the system.
●In the following situations, the warning light will turn off, the message will
disappear and the system will beco me operational when normal operating
conditions return:
• When the area around the front sensor is hot, such as in the sun
• When the windshield is fogged up or covered with condensation or ice (→ P. 384)
• When the front sensor or the area around either sensor is cold, such as in
an extremely cold environment
• If the area in front of the front sens or is obstructed, such as when the
hood is open
● If the PCS warning light continues to flash or the warning message is not
cleared, the system may be malfunctioning. Have the vehicle inspected by
any authorized Toyota dealer or repairer, or another duly qualified and
equipped professional immediately.
■ If VSC is disabled
●If TRC and VSC are disabled ( →P. 307), the pre-crash brake assist and pre-
crash braking functions are also disabled. However, the pre-crash warning
function will still operate.
● The PCS warning light illuminates and “Pre-Crash Brake is disabled due to
VSC OFF.” is displayed on the multi-information display.
Page 480 of 592

4807-3. Do-it-yourself maintenance
UK AURIS_HV_HB_EE (OM12K47E)■
Replacing the following bulbs
If any of the lights listed below has burnt out, have it replaced by
any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional.
●
Headlights (vehicles with LED headlights)
● Front position lights/daytime running lights
● High mounted stoplight
● Tail lights
● Rear fog light
■LED light bulbs
The headlights (vehicles with LED headl ights), rear fog light, high mounted
stoplight, front position lights/daytime running lights and tail lights consist of a
number of LEDs. If any of the LEDs burn out, take your vehicle to any autho-
rized Toyota dealer or repairer, or another duly qualified and equipped profes-
sional to have the light replaced.
■ Condensation build-up on the inside of the lens
Temporary condensation build-up on the inside of the headlight lens does not
indicate a malfunction.
Contact any authorized Toyota dealer or repairer, or another duly qualified
and equipped professional for more information in the following situations:
● Large drops of water have built up on the inside of the lens.
● Water has built up inside the headlight.
■ When replacing light bulbs
→ P. 466
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 t he light bulb with bare hands. When it is
unavoidable to hold the glass portion, use and hold with a clean 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 headlight unit. This
may damage the headlights or cause condensation to build up on the lens.
■ To prevent damage or fire
Make sure bulbs are fully seated and locked.
Page 493 of 592

4938-2. Steps to take in an emergency
UK AURIS_HV_HB_EE (OM12K47E)
8
When trouble arises
(If equipped)
PCS warning lightWhen the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Crash Safety sys-
tem)
→ Have the vehicle inspected by any authorized Toyota
dealer or repairer, or another duly qualified and
equipped professional immediately.
When the warning light flashes (and a buzzer does not
sound):
Indicates that the PCS (Pre-Crash Safety system) is tem-
porarily unavailable, possibly due to either of the following:
• The part of the windshield around the front sensor being
dirty, fogged up or covered with condensation, ice, stick-
ers, etc.
→ Clear the dirt, fog, condensation, ice, stickers, etc.
(→ P. 249)
• Front sensor temperature being outside of its opera-
tional range
→ Wait for a while until the area around the front sensor
has cooled down sufficiently.
When the warning light is illuminated:
Either the VSC (Vehicle Stability Control) system or PCS
(Pre-Crash Safety system) is disabled or both are dis-
abled.
→ To enable the PCS, enab le both the VSC system and
PCS. ( →P. 254, 307)
Low fuel level warning light
Indicates that remaining fuel is approximately 6.8 L (1.8
gal., 1.5 Imp. gal.) or less
→ Refuel the vehicle.
Driver’s and front passenger’s seat belt reminder light
(warning buzzer)
*2
Warns the driver and/or front passenger to fasten their
seat belts
→ Fasten the seat belt.
If the front passenger’s seat is occupied, the front
passenger’s seat belt also needs to be fastened to
make the warning light (warning buzzer) turn off.
Warning lightWarning light/Details/Actions
Page 545 of 592

5458-2. Steps to take in an emergency
UK AURIS_HV_HB_EE (OM12K47E)
8
When trouble arises
The coolant level is satisfac-
tory if it is between the
“FULL” and “LOW” lines on
the reservoir.Reservoir
“FULL”
“LOW”
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
Start the hybrid system and turn the air conditioning system on to
check that the radiator cooling fans operate and to check for
coolant leaks from the radiator or hoses.
The fans operate when the air condi tioning system is turned on immedi-
ately after a cold start. Confirm that the fans are operating by checking
the fan sound and air flow. If it is difficult to check these, turn the air con-
ditioning system on and off repeatedly.
(The fan may not operate in freezing temperatures.)
If the fans are not operating:
Stop the hybrid system immediately and contact any authorized
Toyota dealer or repairer, or another duly qualified and equipped
professional.
If the fans are operating:
Have the vehicle inspected at the nearest authorized Toyota
dealer or repairer, or another duly qualified and equipped profes-
sional.
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Page 546 of 592
5468-2. Steps to take in an emergency
UK AURIS_HV_HB_EE (OM12K47E)■
If “Hybrid system overheated. Reduced output power.” is
shown on the multi-information display
Stop the vehicle in a safe place.
Stop the hybrid system and carefully lift the hood.
After the hybrid system has
cooled down, inspect the
hoses and radiator core
(radiator) for any leaks.Radiator
Cooling fans
If a large amount of coolant
leaks, immediately contact
any authorized Toyota dealer
or repairer, or another duly
qualified and equipped pro-
fessional.
The coolant level is satisfac-
tory if it is between the
“FULL” and “LOW” lines on
the reservoir.Reservoir
“FULL”
“LOW”
Add coolant if necessary.
Water can be used in an emer-
gency if coolant is unavailable.
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