Fuel grade

You should only refuel with unleaded premium-grade gasoline as this avoids damaging the catalytic converter. If engine running problems are apparent, have the cause checked immediately and rep ...

Fuel filler flap

The fuel filler flap is unlocked or locked automatically when you open or close the vehicle with the SmartKey or using KEYLESSGO. The position of the fuel filler cap is displayed in the instrument ...

See also:

Rds-tmc display
When a TMC signal is received the icon in the top left of the screen will appear green. If a TMC signal is not being received, the icon will be shown with a bar through it. The system will inform ...

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 ownership has changed, ...

Manual transmission operation (if equipped)
Using the clutch Manual transmission vehicles have a starter interlock that prevents cranking the engine unless the clutch pedal is fully pressed. To start the vehicle: 1. Make sure the parkin ...