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 RepairsFuel and Evaporative Emission Pipe Warning Emissions Evap
Warning:In order to reduce the risk of fire and personal injuryobserve the following items:Replace all nylon fuel pipes that are nicked, scratched ordamaged during installation, do not attempt to repair the sectionsof the nylon fuel pipesDo not hammer directly on the fuel harness body clips wheninst ...