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 RepairsElectrical Power Management Description and Operation Starting System
Electrical Power ManagementThe electrical power management is used to monitor and control the charging systemand alert the driver of possible problems within the charging system. The electricalpower management system makes the most efficient use of the generator output, improvesthe battery state-of- ...