2004 Pontiac GTO Owner's Manual - Page 9

The control is located on the outboard side of the seat cushion. To increase or decrease lumbar support, turn the knob. But don't have a seatback reclined if your vehicle is moving. Reclining Seatbacks Use the vertical switch on the outboard side of the front seat cushion to recline the seatbacks. Tilt the vertical switch to adjust the angle of the seatback. The seatback moves in the same direction that the switch is tilted to. {CAUTION: Sitting in a reclined position when your vehicle is in motion can be dangerous. Even if you buckle up, your safety belts can't do their job when you're reclined like this. The shoulder belt can't do its job because it won't be against your body. Instead, it will be in front of you. In a crash you could go into it, receiving neck or other injuries. The lap belt can't do its job either. In a crash the belt could go up over your abdomen. The belt forces would be there, not at your pelvic bones. This could cause serious internal injuries. For proper protection when the vehicle is in motion, have the seatback upright. Then sit well back in the seat and wear your safety belt properly. 1-3