Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving.
If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.
See also:
Volume Control
VOL/ (Volume/Power): Turn
clockwise or counterclockwise to
increase or decrease the volume. ...
True luxury interior with real carbon fiber
The interior itself is well laid out with everything where it should be and
an easy-to-find position for performance driving. Though the leather on the
shifter does seem cheap, the coating on th ...
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
sign up for OnStar Vehicle ...