2008 Hummer H3 Alpha Owner's Manual - Page 9

{CAUTION: If the seatback is not locked, it could move forward in a sudden stop or crash. That could cause injury to the person sitting there. Always push and pull on the seatback to be sure it is locked. The seats have manual reclining seatbacks. The lever used to operate them is located on the outboard side of the seats. To recline the seatback: 1. Lift the recline lever and move the seatback to the desired position, then release the lever to lock the seatback in place. 2. Push and pull on the seatback to make sure it is locked. To return the seatback to an upright position: 1. Lift the lever fully without applying pressure to the seatback and the seatback will return to the upright position. 2. Push and pull on the seatback to make sure it is locked. 1-5