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:
Theft deterrent system
Immobilizer system
The vehicle's keys have built-in transponder chips that prevent the hybrid
system from starting if the key has not been previously registered in the
vehicle's on-board computer.
...
Audio system
Vehicles with a navigation system
Refer to the “Navigation System Owner’s Manual”.
Vehicles without a navigation system
CD player with a changer and AM/FM radio
- Using cellular phon ...
Selecting and scanning a folder
- Selecting a folder one at a time
Press the 6 () or 5 ()
button to select the desired folder.
- Returning to the first folder
Press and hold the 5 () button until
you hear a beep.
...
