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 RepairsParking Brake Indicator Switch Replacement Parking Brake
Parking Brake Indicator Switch ReplacementCalloutComponent NamePreliminary ProceduresRemove the left side body hinge pillar trim panel. Refer toBody Hinge Pillar Trim Panel Replacement.Disconnect the park brake warning indicator switch electricalconnector.1Park Brake Warning Lamp Switch BoltCaution: ...