GMC 2004 Canyon - Manual (Page 353)

Return the wheel wrench and jack extensions and the
storage bag to the location under the front passenger’s
seat. Reinstall the jack and wheel blocks, be sure to
install the wheel blocks first. Secure the items in
the vehicle as shown.
A. Bottle Jack
B. Wheel Blocks
C. Wing Nut
A. Bottle Jack
B. Wheel Blocks
C. Wing Nut
Crew Cab
Regular and
Extended Cab
5-89