Lexus RX450H Manual page 545

4-3. Do-it-yourself maintenance

When replacing wheels (vehicles with tire pressure warning system)
The wheels of your vehicle are equipped with tire pressure warning valves
and transmitters that allow the tire pressure warning system to provide
advanced warning in the event of a loss in tire inflation pressure. Whenever
wheels are replaced, tire pressure warning valves and transmitters must be
installed. (P. 499)
CAUTION

When replacing wheels

Do not use wheels that are a different size from those recommended in the
Owner's Manual, as this may result in loss of handling control.

Never use an inner tube in a leaking wheel which is designed for a tube-
less tire. Doing so may result in an accident, causing death or serious
injury.
NOTICE

Replacing tire pressure warning valves and transmitters (vehicles with tire
pressure warning system)

Because tire repair or replacement may affect the tire pressure warning
valves and transmitters, make sure to have tires serviced by any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional or other qualified service shop. In addition, make sure to
purchase your tire pressure warning valves and transmitters at any autho-
rized Lexus dealer or repairer, or another duly qualified and equipped pro-
fessional.

Ensure that only genuine Lexus wheels are used on your vehicle.
Tire pressure warning valves and transmitters may not work properly with
non-genuine wheels.
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