2007 Chevrolet Silverado 1500 Pickup Owner's Manual - Page 166
2007 Chevrolet Silverado 1500 Pickup Manual
Page 166 highlights
4 n (Four-Wheel Drive Low): This setting also engages your front axle to give you extra traction. You may never need Four-Wheel Drive Low. It sends the maximum power to all four wheels. You might choose Four-Wheel Drive Low if you were driving off-road in sand, mud or deep snow and while climbing or descending steep hills. When operating in Four-Wheel Drive Low, the gear ratio provides additional torque when compared to Four-Wheel Drive High. The transmission gear shift feel will be exaggerated. Shifting from Two-Wheel Drive High or Four-Wheel Drive High to Four-Wheel Drive Low To shift from Two-Wheel Drive High or Four-Wheel Drive High to Four-Wheel Drive Low, the vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in NEUTRAL (N) for an automatic transmission, or the clutch pedal pressed for a manual transmission. The preferred method for shifting into Four-Wheel Drive Low is to have your vehicle moving 3 mph (5 km/h). Press and release the Four-Wheel Drive Low switch. You must wait for the Four-Wheel Drive Low indicator light to stop flashing and stay on before shifting the transmission into gear or releasing the clutch pedal. Notice: Shifting the transmission into gear before the Four-Wheel Drive Low indicator light has stopped flashing could damage the transfer case. To help avoid damaging your vehicle, always wait for the Four-Wheel Drive Low indicator light to stop flashing before shifting the transmission into gear. Shifting from Two-Wheel Drive High to Four-Wheel Drive High Press and release the Four-Wheel Drive High switch. This can be done at any speed. The front axle will lock automatically with some delay. Shifting from Four-Wheel Drive High to Two-Wheel Drive High Press and release the Two-Wheel Drive High switch. This can be done at any speed. The front axle will unlock automatically with some delay. 166