If the vehicle is equipped with OnStar and has an active subscription, additional data may be collected through the OnStar system. This includes information about the vehicle's operation; collisions involving the vehicle; the use of the vehicle and its features; and, in certain situations, the location and approximate GPS speed of the vehicle. Refer to the OnStar Terms and Conditions and Privacy Statement on the OnStar website.
See OnStar Additional Information.
Event Data Recorders
Infotainment SystemSpark Plug Replacement Engine Control
Removal ProcedureRemove the ignition coil(s). Refer toIgnition Coil Replacement - Bank 1and/orIgnition Coil Replacement - Bank 2.Warning:Refer toSafety Glasses and Compressed Air Warning.Caution:Clean the spark plug recess area before removing the sparkplug. Failure to do so could result in engine d ...