For the proper type of replacement bulbs, see Replacement Bulbs.
For any bulb changing procedure not listed in this section, contact your dealer.
Headlamp Aiming
Halogen Bulbs#13-00-89-003: Vehicle Software Enhancements - (Mar 27, 2013)
Subject:Vehicle Software EnhancementsModels: 2014 and Prior GM Passenger Cars and Light Duty Trucks The new technology systems on today’s vehicles may have software enhancements availableto add additional functionality after the vehicle is produced. To meet customer expectations,GM may make th ...