GMC Sierra
GMC Sierra

See also:
Brake System Warning Light
With the ignition on, the brake system warning light comes on when the parking brake is set. If the vehicle is driven with the parking brake engaged, a chime sounds when the vehicle speed is greater t ...
Split Folding Seatbacks
With this feature, either side of the rear seatback can be folded down for more
cargo space.
WARNING
If either seatback is not locked, it could move forward in a sudden stop or crash.
That could ...
Navigation
OnStar navigation requires the Directions and Connections service plan.
Push to receive directions or have them sent to the vehicle navigation screen. Destinations can also be forwarded to the vehic ...