2014 Chevrolet Silverado 3500 HD Crew Cab Owner Manual - Page 309

Driving and Operating . 9-43 Shift the transfer case lever in one continuous motion into either the Four-Wheel Drive High or Two-Wheel Drive High position. Shifting from Two-Wheel Drive High to Four-Wheel Drive High while the vehicle is in motion may require that moderate force be applied to the shift lever for a few seconds before Four-Wheel Drive High can be engaged, especially in cold weather. In extremely cold weather, it may be necessary to slow or stop the vehicle to shift into Four-Wheel Drive High. While in Four-Wheel Drive High, the vehicle can be driven at any posted legal speed limit. . case, and may cause the gears to grind. To avoid causing premature wear, and grinding the gears, do not shift the transfer case into Four-Wheel-Drive Low while the vehicle is moving faster than 5 km/h (3 mph). . . Shifting into Four-Wheel Drive Low should be done, if possible, with the vehicle at a slight roll, 5 km/h (3 mph) or less. Shift the transmission into N (Neutral). . . Shifting into Four-Wheel Drive Low with the vehicle at a stop may be more difficult. You may be unable to complete the shift to Four-Wheel Drive Low, and the transfer case will end up in N (Neutral). This is normal, and is a function of the gear teeth aligning in the transfer case. When this happens, make sure the engine is on, shift the transmission momentarily to D (Drive) and back to N (Neutral), and then complete the transfer case shift. Shift the transfer case shift lever in one continuous motion into the Four-Wheel Drive Low position. When in Four-Wheel Drive Low do not drive faster than 72 km/h (45 mph). This will reduce wear and extend the life of your transfer case. { Warning Shifting the transfer case to N (Neutral) can cause the vehicle to roll even if the transmission is in P (Park). You or someone else could be seriously injured. Be sure to set the parking brake before placing the transfer case in N (Neutral). See Parking Brake on page 9-54. . . . Shifting In or Out of Four-Wheel Drive Low Notice: Shifting the transfer case into Four-Wheel-Drive Low while moving at speeds faster than 5 km/h (3 mph) may cause premature wear to the transfer