2014 Chevrolet Impala Owner Manual - Page 64

3-6 Seats and Restraints Lumbar Adjustment Reclining Seatbacks { Warning Sitting in a reclined position when the vehicle is in motion can be dangerous. Even when buckled up, the safety belts cannot do their job. The shoulder belt will not 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 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 the safety belt properly. Do not have a seatback reclined if the vehicle is moving. To adjust the lumbar support: . Manual Reclining Seatbacks Press and hold the control forward to increase or rearward to decrease lumbar support. Press and hold the control upward to raise or downward to lower the height of the lumbar support. { Warning If either 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 seatbacks to be sure they are locked. .