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:
Tire inflation pressure
- Tire inflation pressure
The recommended cold tire inflation pressure and tire size is dis- played on
the tire and loading information label.
- Inspection and adjustment procedure
...
Maintenance
Maintenance requirements
To ensure safe and economical driving, day-to-day care and regular
maintenance
are essential. It is the owner’s responsibility to perform regular
checks. Lexus recommen ...
Cleaning and protecting the vehicle exterior
Perform the following to protect the vehicle and maintain it in prime condition:
• Working from top to bottom, liberally apply water to the vehicle body, wheel
wells and underside of the vehicle ...
