2010 GMC Canyon Extended Cab Owner's Manual - Page 404

Owner Checks and Services Starter Switch Check { WARNING: When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room around the vehicle. 2. Firmly apply both the parking brake and the regular brake. See Parking Brake on page 3-30. Do not use the accelerator pedal, and be ready to turn off the engine immediately if it starts. 3. For automatic transmission vehicles, try to start the engine in each gear. The starter should work only in P (Park) or N (Neutral). If the starter works in any other position, your vehicle needs service. For manual transmission vehicles, put the shift lever in Neutral, push the clutch pedal down halfway, and try to start the engine. The starter should work only when the clutch pedal is pushed down all the way to the floor. If the starter works when the clutch pedal is not pushed all the way down, your vehicle needs service. Automatic Transmission Shift Lock Control System Check { WARNING: When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. 1. Before starting this check, be sure there is enough room around the vehicle. It should be parked on a level surface. 2. Firmly apply the parking brake. See Parking Brake on page 3-30. Be ready to apply the regular brake immediately if the vehicle begins to move. 7-8