Reactivation for Subsequent Owners
Push
and follow the prompts to speak
to an Advisor as soon as possible after acquiring the vehicle. The Advisor will
update vehicle records and will explain the OnStar service offers and options available.
See also:
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 dri ...
Lane Departure Warning (LDW)
For vehicles with LDW, it is intended to help avoid unintentional lane departures.
It may provide a warning if the vehicle is crossing a lane without using a turn
signal. LDW uses a camera sensor ...
Passing Another Vehicle While Using Cruise Control
Use the accelerator pedal to increase the vehicle speed. When you take your foot off the pedal, the vehicle will slow down to the previous set cruise speed. ...





