Lexus RX 450h 2010 Owner's Manual page 278

NOTICE
Repairing or replacing snow tires
■
Request repairs or replacement of snow tires from Lexus dealers or legitimate tire
retailers.
This is because the removal and attachment of snow tires affects the operation of
the tire pressure warning valves and transmitters.
Fitting tire chains
■
The tire pressure warning valves and transmitters may not function correctly when
tire chains are fitted.
2-5. Driving information
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