See also:

Interior
The Sierra showcases two different interior designs. Work Truck and SLE models are more utility-minded, with large controls and door handles that can be operated while wearing gloves. The SLT offe ...

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 v ...

Steering Wheel Adjustment
Steering Wheel Adjustment The tilt lever is located on the lower left side of the steering column. To adjust the steering wheel: 1. Hold the steering wheel and pull the lever. 2. Move the stee ...