2010 GMC Sierra 1500 Crew Cab Owner's Manual - Page 113

3. Pick up the latch plate, and run the lap and shoulder portions of the vehicle's safety belt through or around the restraint. The child restraint instructions will show you how. 5. Pull the rest of the shoulder belt all the way out of the retractor to set the lock. 4. Push the latch plate into the buckle until it clicks. Make sure the release button is positioned so you would be able to unbuckle the safety belt quickly if necessary. 2-71