See also:

Ignition Positions
The ignition switch has four different positions. Notice: Using a tool to force the key to turn in the ignition could cause damage to the switch or break the key. Use the correct key, make sure i ...

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 ...

Manual Seats
To adjust the seat: 1. Lift the bar to unlock the seat. 2. Slide the seat to the desired position and release the bar. 3. Try to move the seat back and forth to be sure the seat is locked in pl ...