OnStar Services

See also:

Speedometer
Displays a digital speedometer in the DIC. The speed displays in either kilometers per hour (km/h) or miles per hour (mph). To change the units from English to metric, see “Units” later in t ...

Viscosity Grade
SAE 5W–30 is the best viscosity grade for the vehicle. Do not use other viscosity grade oils such as SAE 10W–30, 10W–40, or 20W–50. If in an area of extreme cold, where the temperature falls ...

Services for People with Disabilities
Advisors provide services to help subscribers with physical disabilities and medical conditions. Push for help with: - Locating a gas station with an attendant to pump gas. - Finding a hotel ...