Toyota 2008 Prius Quick Reference Manual page 411

4-3. Do-it-yourself maintenance
If you push the tire pressure reset switch accidentally
n
If initialization is performed, adjust the tire inflation pressure to the speci-
fied level and initialize the system again.
When the initialization of the tire pressure warning system has
n
failed
Initialization can be completed in a few minutes. However, in the follow-
ing cases, the settings have not been recorded and the system will not
operate properly. If repeated attempts to record tire inflation pressure
settings are unsuccessful, have the vehicle inspected by your Toyota
dealer.
When operating the tire pressure warning reset switch, the warning
l
light does not flash (The tires cannot be initializes whiled the vehicle
is moving.).
After driving for a certain period of time since the initialization has
l
been completed, the warning light flashes.
Routine tire inflation pressure checks
n
The tire pressure warning system does not replace routine tire inflation
pressure checks. Make sure to check tire inflation pressure as part of
your routine of daily vehicle checks.
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