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:
Vehicle Positioning
At times, the position of the vehicle on the map may be inaccurate due to one
or more of the following reasons:
Road system has changed.
Vehicle is driving on slippery road surfaces such as in ...
Speedometer
The speedometer shows the vehicle speed in both kilometers per hour (km/h) and
miles per hour (mph). ...
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 ...