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 veh ...

OnStar Additional Information

Transferring Service Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle owne ...

See also:

Deactivating DISTRONIC
There are several ways to deactivate DISTRONIC: ► Briefly press the cruise control lever forwards 1. or ► Brake. The last speed stored remains stored until you switch off the ...

M+S tires
At temperatures below 45 °F(+7 °C), use winter tires or all-season tires. Both types of tire are identified by the M+S marking. Only winter tires bearing the snowflake symbol in addition to ...

Power Steering Fluid
The power steering fluid reservoir is located under the engine cover on the passenger side of the vehicle. See Engine Compartment Overview  for reservoir location. When to Check Power Steer ...