Warranty
OnStar equipment may be warranted as part of the new-vehicle limited warranty. The manufacturer of the vehicle furnishes detailed warranty information.
See also:
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 Diag ...
Performance
One reason the Acadia gets better gas mileage than traditional SUVs is its
V-6 engine. Many full-size SUVs are offered with thirsty V-8s, but the Acadia
only comes with a 3.6-liter V-6 that produc ...
Vehicle Reminder Messages
CHECK TRAILER WIRING
On vehicles with the Integrated Trailer Brake Control (ITBC) system, this message may display and a chime may sound when one of the following conditions exists:
• A trailer wi ...