2014 Chevrolet Silverado 2500 HD Extended Cab Owner Manual - Page 334
2014 Chevrolet Silverado 2500 HD Extended Cab Manual
Page 334 highlights
9-68 Driving and Operating During any of these fault conditions, the display will be blank and the indicator will flash while the vehicle is in R (Reverse) or until the conditions return to normal. Press and hold z when the left indicator light is flashing to turn off the video display along with the left indicator light. Fuel For diesel engine vehicles, see "Fuel for Diesel Engines" in the Duramax diesel supplement. For gasoline engine vehicles, 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 using TOP TIER Detergent Gasolines. See www.toptiergas.com for a list of TOP TIER Detergent Gasolines. If the vehicle has a yellow fuel cap, E85 or flex fuel can be used in the vehicle. See E85 or FlexFuel on page 9-70. Recommended Fuel Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving. If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard
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