Roadside Assistance and OnStar
If you have an active OnStar
subscription, press the Q button and the current GPS location will be sent to an OnStar Advisor who will assess your problem, contact Roadside Assistance, and relay your exact location to get the help you need.
Online Owner Center
The Online Owner Center is a complimentary service that includes online service reminders, vehicle maintenance tips, online owner manual, special privileges, and more.
Sign up today at:
U.S.: buick.com (click on “Owners,” then “Manage My Buick/Owners Login”)
See also:
General Towing Information
Only use towing equipment that has
been designed for the vehicle.
Contact your dealer or trailering
dealer for assistance with preparing
the vehicle for towing a trailer.
See the following tra ...
Muting a Call
During a call, all sounds from inside the vehicle can be muted so that the person on the other end of the call cannot hear them.
To Mute a call
1. Press
.
The system responds “Ready,” followe ...
Engine Coolant (4.6L Engine)
The cooling system in the vehicle is filled with
DEX-COOL® engine coolant. This coolant is designed
to remain in the vehicle for five years or 150,000 miles
(240 000 km), whichever occurs first ...