High-Beam On Light
The high–beam on light comes on when the high-beam headlamps are in use.
See Headlamp High/Low-Beam Changer for more information.
See also:
Turn Signals When Towing a Trailer
The turn signal indicators on the instrument panel flash whenever signaling
a turn or lane change.
Properly hooked up, the trailer lamps also flash, telling other drivers the
vehicle is turning, ...
When the System Does Not Seem to Work Properly
The following messages may be displayed on the DIC:
SERVICE PARKING ASSIST: If this message occurs, take the vehicle to your dealer
for repair.
PARKING ASSIST OFF: This message occurs if the drive ...
Vehicle and Power Issues
OnStar services require a vehicle
electrical system, wireless service,
and GPS satellite technologies to be
available and operating for features
to function properly. These systems
may not o ...