If a warning light turns on or a warning buzzer sounds...

Lexus GX / Lexus GX Owners Manual / When trouble arises / Steps to take in an emergency / If a warning light turns on or a warning buzzer sounds...

Calmly perform the following actions if any of the warning lights turn on or flash. If a light turns on or flashes, but then turns off, this does not necessarily indicate a malfunction in the system.

Stop the vehicle immediately. Continuing to drive the vehicle may be dangerous.

The following warning indicates a possible problem in the brake system.

Immediately stop the vehicle in a safe place and contact your Lexus dealer.

*: Parking brake engaged warning buzzer:

*: Parking brake engaged warning buzzer:

A buzzer will sound if the vehicle is driven at a speed of approximately 3 mph (5 km/h) or more.

See also:

Headlight aim (vehicles with low beam halogen bulbs)
 - Vertical movement adjustment bolts 1. Adjustment bolt A 2. Adjustment bolt B  - Before checking the headlight aim Make sure the vehicle has a full tank of gas and the area around ...

Engine
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Initializing the system
Select “Initialize” and then “Confirm” using the “TUNE/SEL” knob. Select “Confirm” again using the “TUNE/SEL” knob.  - Initialization • The following data in the sy ...