Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.
See also:
Recommended Fluids and Lubricants
Usage
Fluid/Lubrican
Engine Oil
The engine requires engine oil approved to the dexos specification.
Oils meeting this specification can be identified with the dexos
cer ...
Fuel E85 (85% Ethanol)
If the vehicle has the 3.9L V6 engine (VIN Code M), you
can use either unleaded gasoline or ethanol fuel
containing up to 85% ethanol (E85). See Fuel. In all other engines, use only the unleaded
...
Tire Designations
Tire Size
The following is an example of a typical passenger vehicle tire size.
(A) Passenger (P-Metric) Tire: The United States version of a metric tire sizing
system. The letter P as the first ...
