1997 GMC Suburban Owner's Manual - Page 16

Head Restraints Slide the head restraint up or down so that the top of the restraint is closest to the top of your ears. Thisposition reduces the chance of a neck injury in a crash. The front seatback folds forward to let you access the rear of the vehicle. To fold a seatback forward, pull this lever forward and tilt the seatback forward. Seatback Latches (2-Door Utility) I * ----op I If the seatback isn't locked, it could move forward in a suddenstop or crash. That could cause injury to the person sitting there. Always press rearward on the seatback be to sure it is locked. To return the seatback to the upright position, just push the seatback rearward until it latches. After returning the seatback to its upright position, pull the seatback forward to make sure it is locked. 1-6