Toyota Lexus IS300 Manual page 345

CHASSIS
CAUTION
Keep your tire pressure at the proper level. Otherwise,
the following conditions may occur and cause an
accident.
Low tire pressure (underinflation)—
D Excessive wear
D Uneven wear
D Poor handling
D Possibility of blowouts from overheated tire
D Poor sealing of the tire bead
D Wheel deformation and/or tire separation
High tire pressure (overinflation)—
D Poor handling
D Excessive wear at the center of the tire tread
D A greater possibility of tire damage from road
hazards
332
The following instructions for checking tire pressure should be
observed:
D The pressure should be checked only when the tires are
cold. If your vehicle has been parked for at least 3 hours
and has not been driven for more than 1.5 km or 1 mile
since, you will get an accurate cold tire pressure reading.
D Always use a tire pressure gauge. The appearance of the
tire can be misleading. Besides, tire pressures that are
even just a few pounds off can degrade ride and handling.
D Do not bleed or reduce tire pressure after driving. It is
normal for the tire pressure to be higher after driving.
D Never exceed the vehicle capacity weight.
passengers and luggage weight should be located so that
the vehicle is balanced.
D Be sure to reinstall the tire valve caps. Without the valve
caps, dirt or moisture could get into the valve core and
cause air leakage. If the caps have been lost, have new
ones put on as soon as possible.
2003 IS300 from Aug. '02 Prod. (OM53439U)
The