2010 GMC Canyon Extended Cab Owner's Manual - Page 363

{ WARNING: Getting under a vehicle when it is jacked up is dangerous. If the vehicle slips off the jack you could be badly injured or killed. Never get under a vehicle when it is supported only by a jack. { WARNING: Raising your vehicle with the jack improperly positioned can damage the vehicle and even make the vehicle fall. To help avoid personal injury and vehicle damage, be sure to fit the jack lift head into the proper location before raising the vehicle. Front Position 4. Position the jack (A) under the vehicle as shown for the front or rear locations. 6-87