Lexus rx450h Service Manual page 538

538
7-2. Steps to take in an emergency
Warning light
PCS warning light
 Have the vehicle inspected by your Lexus dealer immediately.
 Clear the dirt, fog, condensation, ice, stickers, etc.
(If equipped)
Low fuel level warning light
 Refuel the vehicle.
Seat belt reminder light (warning buzzer)
 Fasten the seat belt.
Tire pressure warning light
 Immediately stop the vehicle in a safe place.
Master warning light
 P. 543
RX450h_U_OM0E013U
Warning light/Details/Actions
When the warning light flashes (and a buzzer sounds):
Indicates a malfunction in the PCS (Pre-Collision System)
When the warning light flashes (and a buzzer does not sound):
Indicates that the PCS (Pre-Collision System) is temporarily
unavailable, possibly due to either of the following:
• An area around the radar sensor or camera sensor being dirty,
fogged up or covered with condensation, ice, stickers, etc.
(P. 274, 275)
• Radar sensor or camera sensor temperature being outside of its
operational 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-
Collision System) is disabled or both are disabled.
 To enable the PCS, enable both the VSC system and PCS.
(P. 283, 384)
Indicates that remaining fuel is approximately 2. 9 gal. (11.0 L,
2.4 Imp. gal.) or less
Warns the driver and/or front passenger to fasten their seat belts
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.
Indicates the following:
• Low tire pressure due to flat tire;
• Low tire pressure due to natural causes; or
• The tire pressure warning system is malfunctioning
Handling method (P. 540)
A buzzer sounds and the warning light comes on and flashes to
indicate that the master warning system has detected a malfunc-
tion.
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