389
7
7-2. Steps to take in an emergency
When trouble arises
■ Master warning light (warning buzzer)
■ Tire pressure warning light
■ High coolant temperature warning light (warning buzzer)
*
*
: This light illuminates on the multi-information display.
Warning
light
Details/Actions
A buzzer sounds and the warning light comes on and flashes to indicate that
the master warning system has detected a malfunction.
P.393
Warning
light
Details/Actions
When the light comes on:
Low tire inflation pressure such as
Natural causes (P.391)
Flat tire (P.399)
Adjust the tire inflation pressure to the specified level.
The light will turn off after a few minutes. In case the light does not turn
off even if the tire inflation pressure is adjusted, have the system
checked by your Lexus dealer.
When the light comes on after blinking for 1 minute:
Malfunction in the tire pressure warning system
Have the system checked by your Lexus dealer.
Warning
light
Details/Actions
Indicates that the engine coolant temperature increases
Immediately stop the vehicle in a safe place.
Handling method. (P.415, 418)
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