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:
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet ASTM specification D 4814 in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an octane-enhancing additive called methylcyclopentadienyl ...
Acadia in the Market
The three-row crossover segment is getting increasingly crowded these days,
as car shoppers shift from minivans and truck-based SUVs to car-based vehicles
like the Acadia. It has a number of compe ...
How to Add Automatic Transmission Fluid
Refer to Recommended Fluids and Lubricants on page 11‑12 to determine what kind of transmission fluid to use.
Using a funnel, add fluid down the transmission dipstick tube only after checking t ...