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What to Use
When windshield washer fluid needs to be added, be sure to read the manufacturer's
instructions before use. Use a fluid that has sufficient protection against freezing
in an area where the tem ...
What to Use
WARNING!
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids, can boil before
the proper coolant mixture will.
The coolant warn ...
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 the v ...






