Tire Pressure Warning System - Toyota LEXUS LS430 2005 Manual

STARTING AND DRIVING
TIRE PRESSURE WARNING
SYSTEM
The tire pressure warning system is designed to provide
warning using a message in the multi−information
display, master warning light and warning tone when tire
inflation pressure is critically low while driving. This
message appears to inform you that such low tire
pressure may hamper driving.
As this system is not designed to operate when the vehicle is
stopped, check the tire inflation pressure regularly.
recommended cold tire inflation pressure, tire size and the
vehicle capacity weight are on the tire and loading information
label. (For instructions, see "Checking tire inflation pressure"
on page 468.)
Installed tires should be of the specified size. They should be
of the same size and construction. If tires other than the
specified size are used, or if tires of different sizes or
constructions are mixed, the tire pressure warning system will
not function properly.
370
Low tire pressure warning message
When the low tire inflation pressure is detected while
driving, the master warning light comes on, the above
message appears and a warning tone sounds.
If the above message appears and adjust the tire inflation
pressure to the specified level as soon as possible. Push the
tire pressure warning system reset switch for a few seconds
and make sure the warning message goes off. If the message
The
still remains on, have your vehicle checked by your Lexus
dealer as soon as possible.
The tire pressure warning system does not function
properly under certain circumstances. In the following
cases, the low tire pressure warning may not turn on even
if the tire inflation pressure is low, or it may turn on when
the tire inflation pressure is actually normal.
D A compact spare tire, snow tires, or tire chains are used.
D The tire inflation pressure is excessively higher than
specified, or tire inflation pressure suddenly drops due to
bursting or other causes.
D You are driving on slippery road surfaces such as rough or
frozen roads.
D You are driving under 30 km/h (19 mph) or above 100 km/h
(62 mph) for less than 5 minutes.
D The tires differ in tread pattern or manufacturer.
D The tires are not the specified size.
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