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:
Antenna locatioand effective range
Antenna location
1 Antennas outside cabin
2 Antennas inside cabin
3 Antenna outside luggage
compartment
Effective range (areas withiwhich the electronic key is
detected)
•Whelocking or un ...
Regulations on the use of tire chains
Regulations regarding the use of tire chains vary depending on location and type
of road. Always check local regulations before installing chains.
Tire chain installation
Observe the following pre ...
Have the malfunction repaired immediately.
After taking the specified steps to correct the suspected problem, check that
the warning message and light go off.
...
