2004 GMC Canyon Owner's Manual - Page 339

Removing the Spare Tire and Tools The tools you will need are under the passenger's seat. For crew cab models, the jack and wheel blocks are under the driver's side rear seat. For regular and extended cab vehicles the jack and wheel blocks are located under the cover at the center of the vehicle behind the front seats. 1. The vehicle will have a cover if it is an extended or regular cab. Crew Cab Regular and Extended Cab 5-75