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:
Opening the glass hatch
Press the button to open the glass hatch. The glass hatch will pop up.
The glass hatch can be opened only when the back door is closed.
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If your vehicle needs to be towed
If towing is necessary, we recommend having your vehicle towed by your Lexus
dealer or a commercial towing service, using a lift-type truck or a flat bed truck.
Use a safety chain system for all to ...
eDestination
With the eDestination feature, you can go online, via the Lexus.com owner’s Web
site, to select and organize destinations of your choice and then wirelessly send
them to your vehicle’s navigat ...
