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:
Customization
Customizable features
Your vehicle includes a variety of electronic features that can be
personalized
to suit your preferences. Programming of these preferences can be
performed by your Lexus dea ...
Explanation of maintenance items
The following descriptions are provided
to give you a better understanding
of the maintenance services that
should be performed on your vehicle.
The scheduled maintenance log indicates
at which ...
Adjustable components (seats, mirrors, steering wheel)
Front seats
1. Seat position adjustment switch.
2. Seatback angle adjustment switch.
3. Seat cushion (front) angle adjustment switch.
4. Vertical height adjustment switch.
5. Lumbar support adj ...
