2011 Chevrolet Silverado 1500 Regular Cab Owner's Manual - Page 327

Driving and Operating 9-43 { WARNING If you have Four-Wheel Drive, the vehicle will be free to roll - even if the shift lever is in P (Park) - if the transfer case is in Neutral. So, be sure the transfer case is in a drive gear, Two-Wheel Drive High or Four-Wheel Drive High or Four-Wheel Drive Low - not in Neutral. See Shifting Into Park on page 9‑37. R (Reverse): Use this gear to back up. Notice: Shifting to R (Reverse) while the vehicle is moving forward could damage the transmission. The repairs would not be covered by the vehicle warranty. Shift to R (Reverse) only after the vehicle is stopped. To rock the vehicle back and forth to get out of snow, ice, or sand without damaging the transmission, see If the Vehicle Is Stuck on page 9‑21. N (Neutral): In this position, the engine does not connect with the wheels. To restart when you are already moving, use N (Neutral) only. Also, use N (Neutral) when the vehicle is being towed. D (Drive): This position is for normal driving. It provides the best fuel economy. If you need more power for passing, and you are: . { WARNING Shifting into a drive gear while the engine is running at high speed is dangerous. Unless your foot is firmly on the brake pedal, the vehicle could move very rapidly. You could lose control and hit people or objects. Do not shift into a drive gear while the engine is running at high speed. Notice: Shifting out of P (Park) or N (Neutral) with the engine running at high speed may damage the transmission. The repairs would not be covered by the vehicle warranty. Be sure the engine is not running at high speed when shifting the vehicle. Going less than about 55 km/h (35 mph), push the accelerator pedal about halfway down. Going about 55 km/h (35 mph) or more, push the accelerator all the way down. By doing this, the vehicle shifts down to the next gear and has more power. . D (Drive) can be used when towing a trailer, carrying a heavy load, driving on steep hills, or for off-road driving. You might want to shift the transmission to a lower gear selection if the transmission shifts too often. Downshifting the transmission in slippery road conditions could result in skidding. See "Skidding" under Loss of Control on page 9‑6.