Fuel
Use of the recommended fuel is an important part of the proper maintenance of your vehicle.
To help keep your engine clean and maintain optimum vehicle performance, GM recommends the use of gasoline advertised as TOP TIER Detergent Gasoline.
See also:
Repair Facility
We recommend that you choose a collision repair facility
that meets your needs before you ever need collision
repairs. Your dealer/retailer may have a collision repair
center with GM-trained tec ...
Scheduling Service Appointments
When your vehicle requires warranty service, contact
your dealer/retailer and request an appointment.
By scheduling a service appointment and advising your
service consultant of your transportati ...
Reporting Safety Defects to General Motors
In addition to notifying NHTSA (or Transport Canada) in a situation like this, please notify General Motors.
Call 1-800-521-7300, or write:
Buick Customer Assistance Center P.O. Box 33136 Detroit, M ...