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:
Using the automatic air conditioning system
Vehicles without a rear automatic air conditioning system
Press the “AUTO� button.
The air conditioning system begins to operate. Air outlets and fan speed are
automatically adjusted accordin ...
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check that
the warning light turns off.
*1: Open door warning buzzer:
The open door warning buzzer sounds to alert one or mor ...
Locking the driver’s door from the outside without a key
Move the inside lock button to the
lock position.
Close the door.
The door cannot be locked if the “ENGINE START STOP� switch is in ACCESSORY or
IGNITION ON mode, or the electronic key is ...
