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:
Roll Sensing of Curtain Shield Airbags Off Switch
This switch can turn off the curtain shield airbags and front seat belt
pretensioners in a vehicle
rollover.
ON/OFF
Press and hold until indicator light turns on/off. ...
Changing the registered name of a portable player
Select “Change Name” using a voice
command or the “TUNE/ SEL” knob.
Pattern A
Select the name of the portable player
to be changed by either of the following methods, and select “Con ...
Audio/video remote controls (steering switches)
Some parts of the audio system can be adjusted using the switches on the steering
wheel.
Details of the specific switches, controls, and features are described below.
1. Volume control switch
2 ...
