2011 Chevrolet Express 1500 Cargo Owner's Manual - Page 253

Driving and Operating When going up steep hills, you might have to step on the accelerator pedal to maintain the vehicle speed. When going downhill, you might have to brake or shift to a lower gear to keep the vehicle speed down. When the brakes are applied the cruise control is disengaged. Ending Cruise Control There are three ways to end cruise control: . 9-39 Fuel For diesel engine vehicles, see "Fuel for Diesel Engines" in the Duramax Diesel Supplement. For Vehicles with gasoline engines, please read this. Gasoline Use of the recommended fuel is an important part of the proper maintenance of this vehicle. To help keep the engine clean and maintain optimum vehicle performance, we recommend the use of gasoline advertised as TOP TIER Detergent Gasoline. Look for the TOP TIER label on the fuel pump to ensure gasoline meets enhanced detergency standards developed by auto companies. A list of marketers providing TOP TIER Detergent Gasoline can be found at www.toptiergas.com. To disengage cruise control, step lightly on the brake pedal. Press the wheel. . [ on the steering . To turn off the cruise control, press I on the steering wheel. 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). See Fuel E85 (85% Ethanol) on page 9‑42. For all other vehicles, use only the unleaded gasoline described under Recommended Fuel on page 9‑40. Erasing Speed Memory The cruise control set speed is erased from memory if I is pressed or if the vehicle is turned off.