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:
A buzzer will sound if the vehicle is driven at a speed of approximately 3 mph (5 km/h) or more.
- Stop the vehicle immediately.
- Have the vehicle inspected by your Lexus dealer immediately.
- Have the malfunction repaired immediately.
See also:
PCS (Pre-Collision System)
When the radar sensor detects that a frontal collision is highly likely or
even unavoidable, safety systems such as the brakes and seat belts are automatically
engaged to lessen impact as well as ...
Indicators and warning lights
The indicator and warning lights on the instrument cluster and center
panel inform the driver of the status of the vehicle’s various systems.
For the purpose of explanation, the following illust ...
If your vehicle fails an emissions test
If your vehicle fails an EPA-approved
emissions test, you may make a claim
under the Emission Performance
Warranty. To do so, take your vehicle
to an authorized Lexus dealership and
present a cop ...
