When the VSC/TRAC or Active TRAC/hill-start assist control systems are operating
If the vehicle is in danger of slip- ping or rolling backward when starting on an incline, or if any of the drive wheels spins, the slip indi- cator light flashes to indicate that the VSC/TRAC or Active TRAC/ hill-start assist control systems are operating.
A buzzer (intermittent) sounds to indicate that VSC is operating.
The stop lights and high mounted stoplight turn on when the hill-start assist control system is operating.

See also:
Operation and Maintenance
GENERAL INFORMATION
You are responsible for ensuring that your Lexus is operated and maintained according
to the instructions in the Owner’s Manual and the “Maintenance Information” section
...
Tires
Replace or rotate tires in accordance with tread wear.
- Checking tires
1 New tread
2 Treadwear indicator
3 Worn tread
The location of treadwear
indicators is shown by the
“TWI” or “ ...
Fast-forwarding and rewinding songs
To fast-forward or rewind, press and hold “”
or “” on the “SEEK•TRACK” button until
you hear a beep. ...
