Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000mi.Have underbody flushing service performed. See "Underbody Maintenance" inExterior Care.
Power Mode Description and Operation
GMLAN and Media Oriented Systems Transport (MOST) Wiring RepairsEngine Identification (LAF, LEA, or LUK)
Identification can be made through the use of the BroadcastCode label on the engine-(1) and the use of the partialVIN etched in one of two places - the primary location is on thestarter motor flange-(2). The secondary location is theoil filter bowl.1ornat005010010Barcode-(1)Sequence Number-(2)Day-(3 ...