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 RepairsRear Bumper Upper Fascia Replacement Bumpers Rear Bumper
Rear Bumper Upper Fascia ReplacementCalloutComponent NamePreliminary ProcedureRemove the rear bumper fascia molding. Refer toRear Bumper Fascia Molding Replacement.1Rear Bumper Upper Fascia Screw (Qty:-2)Caution:Refer toFastener Caution.Tighten6-Y(53-lb-in)2Rear Bumper Upper FasciaProcedureCarefully ...