2010 GMC Canyon Extended Cab Owner's Manual - Page 138

Shifting from Two-Wheel High or Four-Wheel High to Four-Wheel Low To shift from Two-Wheel High or Four-Wheel High to Four-Wheel Low, the vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in N (Neutral) for an automatic transmission or the clutch pedal pressed for a manual transmission. The preferred method for shifting into Four-Wheel Low is to have your vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and release the Four-Wheel Low button. You must wait for the Four-Wheel Low indicator light to stop flashing and stay on before shifting the transmission into gear or releasing the clutch pedal. If the Four-Wheel Low button is pressed when the vehicle is in gear and/or moving faster than 3 mph (5 km/h), the four-wheel low indicator light will flash for 30 seconds and not complete the shift. The preferred method for shifting out of four-wheel low is to have your vehicle moving 1 to 2 mph (1.6 to 3.2 km/h). Press and release the Four-Wheel High or Two-Wheel High button. You must wait for the Four-Wheel High or Two-Wheel High indicator light to stop flashing and stay on before shifting the transmission into gear or releasing the clutch pedal. If the Four-Wheel High or Two-Wheel High button is pressed when the vehicle is in gear and/or moving faster than 3 mph (5 km/h), the Four-Wheel High or Two Wheel High indicator light will flash for 30 seconds but not complete the shift. Shifting to Neutral Use N (Neutral) when you plan to tow the vehicle. See Recreational Vehicle Towing on page 5-41 for towing instructions. To shift the transfer case into N (Neutral) do the following: 1. Set the parking brake. 2. Start the vehicle. 3. Press the regular brake pedal and shift the transmission in N (Neutral), or press in the clutch for vehicles with a manual transmission. Shifting from Four-Wheel Low to Two-Wheel High or Four-Wheel High To shift from Four-Wheel Low to Two-Wheel High or Four-Wheel High, the vehicle must be stopped or moving less than 3 mph (5 km/h) with the transmission in N (Neutral) for an automatic transmission or the clutch pedal pressed for a manual transmission. 3-28