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 RepairsTire Pressure Monitor Operation Wheels
This vehicle may have a Tire Pressure Monitor System (TPMS). The TPMS is designedto warn the driver when a low tire pressure condition exists. TPMS sensors are mountedonto each tire and wheel assembly, excluding the spare tire and wheel assembly. TheTPMS sensors monitor the air pressure in the tires ...