Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfere with the operation of the OnStar system and cause it to not operate.
See also:
Remote Vehicle Start
For vehicles with this feature, the engine can be started from outside the vehicle. ...
When to Inspect the Engine AirCleaner/Filter
Inspect the air cleaner/filter at the Maintenance II
intervals and replace at the first oil change after
each 50,000 mile (83 000 km) interval.
If you are driving in dusty/dirty
conditions, inspec ...
Selecting the Right Engine Oil
Selecting the right engine oil
depends on both the proper oil
specification and viscosity grade.
See Recommended Fluids and
Lubricants.
Specification
Use and ask for licensed engine oils
wi ...