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556
7-2. Steps to take in an emergency
Front passenger detection sensor, seat belt reminder and warning buzzer
■
If luggage is placed on the front passenger seat, the front passenger detection sensor
●
may cause the warning light to flash and the warning buzzer to sound even if a passen-
ger is not sitting in the seat.
If a cushion is placed on the seat, the sensor may not detect a passenger, and the warn-
●
ing light may not operate properly.
If the malfunction indicator lamp comes on while driving
■
For some models, the malfunction indicator lamp will come on if the fuel tank becomes
completely empty. If the fuel tank is empty, refuel the vehicle immediately. The malfunc-
tion indicator lamp will go off after several trips.
If the malfunction indicator lamp does not go off, contact your Lexus dealer as soon as
possible.
If the low speed four-wheel drive indicator light or the center differential lock indicator
■
light blinks
Take the specified steps. (P. 375)
When the tire pressure warning light comes on
■
Inspect the tires to check if a tire is punctured.
If a tire is punctured: P. 562
If none of the tires are punctured:
Turn the engine switch off then turn it to IGNITION ON mode. Check if the tire pressure
warning light comes on or flashes.
If the tire pressure warning light comes on
After the temperature of the tires has lowered sufficiently, check the inflation pressure
1
of each tire and adjust them to the specified level.
If the warning light does not turn off even after several minutes have elapsed, check
2
that the inflation pressure of each tire is at the specified level and perform initialization.
(P. 506)
If the warning light does not turn off even after several minutes have elapsed, have the
vehicle inspected by your Lexus dealer immediately.
If the tire pressure warning light flashes for 1 minute then stay on
There may be a malfunction in the tire pressure warning system. Have the vehicle
inspected by your Lexus dealer immediately.
The tire pressure warning light may turn on due to natural causes
■
The tire pressure warning light may turn on due to natural causes such as natural air leaks
or tire inflation pressure changes caused by temperature. In this case, adjusting the tire
inflation pressure will turn off the warning light (after a few minutes).
When a tire is replaced with a spare tire
■
The tire pressure warning light will turn on if the tire inflation pressure of the spare tire is
low. If a tire goes flat, the tire pressure warning light will not turn off even though the flat
tire has been replaced with the spare tire.
Conditions that the tire pressure warning system may not function properly
■
P. 509
GX460_OM_OM60R28E_(GE)
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