See also:

CD/DVD Player Messages
Disc Format Error: This message displays if the disc is inserted with the disc label wrong side up, or if the disc is damaged. Disc Region Error: This message displays if the disc is not from a corre ...

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 ...

Park Brake and P (Park) Mechanism Check
WARNING When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begi ...