OnStar Services
See also:
Treadwear 200 Traction AA
Temperature A
The following information relates
to the system developed by the
United States National Highway
Traffic Safety Administration
(NHTSA), which grades tires
by treadwear, traction, and
temper ...
Active Head Restraints
The vehicle has an active head
restraint system in the front seating
positions. These automatically tilt
forward to reduce the risk of neck
injury if the vehicle is hit from
behind. ...
Arming the System
To arm the system:
1. Open the door.
2. Lock the door with the
transmitter. The security light
should come on and stay on.
3. Close all doors. The security
light should go off after about
3 ...






