Lexus LS460 2011 Owner's Manual page 396

NOTICE

Repairing or replacing snow tires (with tire pressure warning system)
Request repairs and obtain replacement of snow tires from Lexus dealers or
legitimate tire retailers.
This is because the removal and attachment of snow tires affects the opera-
tion of the tire air pressure sensor.

Fitting tire chains (with tire pressure warning system)
The tire air pressure sensor may not function correctly when tire chains are
fitted.
LS460_EE
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