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 SystemCylinder Head Cleaning and Inspection (LAF, LEA, or LUK) Engine Block Cylinder Head
Special ToolsEN 22738-BValve Spring TesterEN-28410Gasket RemoverGE 7872Magnetic Base Dial IndicatorFor equivalent regional tools, refer toSpecial Tools.Valve Cleaning and InspectionNote:Do not use a wire brush on any part of the valve stem.Note:Do not grind or condition the intake valve. If the inta ...