Toyota Lexusc Owner's Handbook Manual page 533

STARTING AND DRIVING
D The tread wear is very different among the installed tires.
D Rapid acceleration/deceleration or sharp turns is continue.
D Towing a trailer.
D The loading is over the limit or imbalanced.
D Initialization was not performed correctly after replacing or
rotating tires or wheels.
CAUTION
When the tire pressure warning light comes on, observe
the following instructions:
D Adjust the tire inflation pressure to the specified level
as soon as possible.
D Avoid abrupt steering wheel maneuvering and
braking when the tire pressure warning light comes
on. If the vehicle tires deteriorate, you could lose
control of the steering wheel or the brakes, causing
death or serious injury.
514
Tire pressure warning system reset switch
The tire pressure warning system need to be initialized in
the following conditions:
D When the low tire pressure warning light blinks every
0.25 seconds
D 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 651.)
3. Turn the ignition key to "ON".