STARTING AND DRIVING
464
Tire pressure warning system reset switch
The tire pressure warning system need to be initialized in
the following conditions:
When the low tire pressure warning light blinks twice
every second
After replacing or rotating tires or wheels
When initializing the system, the present tire condition is
stored as a standard.
To initialize the system, perform the following:
1. Park the vehicle at a safe place and apply the parking brake.
Stop the engine.
2. Adjust the pressure of all the installed tires to the specified
level. (See “Tires and wheels” on page 566.)
3. Turn the ignition key to “ON”.
4. With the vehicle stopped, push the reset switch on the left
lower instrument panel and hold it until the low tire pressure
warning light blinks three times.
Initialization is completed after driving at the speeds of 30 km/h
(19 mph) or over for about a few hours total, when the tire
pressure warning system detects the normal tire pressure. If
the following driving conditions are satisfied, initialization will
be completed in about one hour.
Vehicle speed varies between 30 km/h (19 mph) and 80
km/h (50 mph)
Normal road surface
When the warning light blinks twice every second while driving,
you may be unable to reset the system. In this case, set the
system again according to the above procedure.
Do not push the reset switch without adjusting the tire inflation
pressure to the specified level. Otherwise, the low tire
pressure warning light may not come on even if the tire
pressure is low, or it may come on when the tire inflation
pressure is actually normal.
If you push the reset switch while the vehicle is moving,
initialization is not performed.
If the low tire pressure warning light does not blink when you
push and hold the reset switch, have the low pressure warning
system checked at your Lexus dealer.
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