Special Application Services
- Vehicles with manual transmissions: Every two years drain, flush, and fill clutch hydraulic system.
- Severe Commercial Use Vehicles Only: Lubricate chassis components every 5 000 km/3,000 mi.
- Have underbody flushing service performed once a year.
See also:
Diagnostics
OnStar Vehicle Diagnostics will
perform a vehicle check every
month. It will check the engine,
transmission, antilock brakes, and
major vehicle systems. It also
checks the tire pressures, if ...
Automatic Headlamp System
When it is dark enough outside, the automatic headlamp system turns on the headlamps
at the normal brightness, along with the taillamps, sidemarker, parking lamps, and
the instrument panel lights. ...
Universal Remote System
Vehicles with the Universal Remote System will have these buttons located in
the headliner.
This system provides a way to replace up to three remote control transmitters
used to activate device ...






