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 ...

Fuel E85 (85% Ethanol)
Vehicles that have a FlexFuel badge and a yellow fuel cap can use either unleaded gasoline or ethanol fuel containing up to 85% ethanol (E85). For all other vehicles, use only the unleaded gasoline d ...

Traction Control System (TCS)
The traction control system limits wheel spin. The system is on when the vehicle is started. ○ To turn off traction control, press and release located on the console. illuminates and the ...