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:
Trailer towing
Your vehicle is designed primarily as a passenger-and-load-carrying vehicle.
Towing a trailer can have an adverse impact on handling, performance, braking,
durability, and fuel consumption. For you ...
Extending the case
Push the lock release button.
Pull the case until it locks.
Check that the lock release button can be seen.
- Adjusting the sub cover (vehicles with third seats)
Fasten the button when t ...
Maintenance
You are responsible for performance
of the required maintenance indicated
in the Owner’s Manual and this guide.
Lexus will not deny a warranty claim
solely because you do not have
records to ...
