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:
Essential information
Emergency flashers
Use the emergency flashers if the vehicle malfunctions or is involved in
an
accident.
Press the switch to flash all the
turn signal lights. To turn them
off, press the swit ...
Seat belts
Make sure that all occupants are wearing their seat belts before driving the
vehicle.
- Correct use of the seat belts
1. Extend the shoulder belt so that it comes fully over the shoulder, ...
Voice command system operation
VOICE COMMAND SYSTEM
The voice command system enables the
navigation, audio/video, hands-free and
air conditioning systems to be operated
using voice commands.
The operating procedures of voice ...
