
Adjust the head restraint so that the top of the restraint is at the same height as the top of the occupant's head.
This position reduces the chance of a neck injury in a crash.

Pull the head restraint up to raise it. To lower the head restraint, press the button, located on the top of the seatback, and push the restraint down.
Reclining Seatbacks
Easy Entry Seat (Coupe)Chevrolet Cobalt Owners Manual. Shifting Into Park (Automatic Transmission)
WARNING:
It can be dangerous to get out of the vehicle if the
shift lever is not fully in P (Park) with the parking
brake firmly set. The vehicle can roll. If you have
left the engine running, the vehicle can move
suddenly. You or others could be injured. To be
sure the vehicle will not move, ...