Lexus 2003 SC430, Owner'S Manual

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GAUGES, METERS AND SERVICE REMINDER INDICATORS
50
Vehicles with standard tires:
If the warning light is on, the tire pressure is lower than
specified.
Stop your vehicle at a safe place as soon as possible and
check that the tire pressure is as specified on the tire pressure
label. The air pressure gauge is located in the tool bag. If the
warning light comes on or blinks even after tire pressure
adjustment, it is probable that you have a flat tire. If the tire
goes flat, change to the spare tire. (See page 241).
The spare tire is not equipped with the tire pressure sensor.
So, the warning light remains on even if the spare tire is
mounted.
If the warning light does not go off more than 15 minutes after
air is put in the deflated tire, the system might be
malfunctioning. Consult your Lexus dealer.
CAUTION
If the warning light comes on, observe the following
instructions:
Decrease the speed as soon as possible.
Avoid abrupt steering wheel maneuvering and
braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes,
causing death or serious injury.
If the warning light blinks and chimes sound every few
minutes, the tire pressure is very low.
Stop your vehicle at a safe place as soon as possible and
check that the tire pressure is as specified on the tire pressure
label. The air pressure gauge is located in the tool bag. Locate
the deflated tire and change to the spare tire. For the
procedure for changing the tire, see “If you have a flat tire
(Vehicles with standard tires)” on page 241.
The spare tire is not equipped with the tire pressure sensor.
So, the warning light remains on even if the spare tire is
mounted.
CAUTION
If the warning light blinks and chimes sound, observe
the following instructions:
Decrease the speed as soon as possible.
Avoid abrupt steering wheel maneuvering and
braking. If the vehicle tires deteriorate, you could
lose control of the steering wheel or the brakes,
causing death or serious injury.
The warning system may not activate immediately if
bursts or sudden air leakage should occur.