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:

Disabling the TRAC or Active TRAC/VSC systems
If the vehicle gets stuck in fresh snow or mud, the TRAC or Active TRAC/ VSC systems may reduce power from the engine to the wheels. You may need to turn the system off to enable you to rock the v ...

Maintenance and care
Cleaning and protecting the vehicle exterior Perform the following to protect the vehicle and maintain it in prime condition: l Working from top to bottom, liberally apply water to the vehicle bo ...

Using the interior lights
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