Engine Oil Additives / Engine Oil Flushes
Do not add anything to the oil. The recommended oils with the starburst symbol that meet GM Standard GM6094M are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
See also:
Windshield Washer Fluid
What to Use
When you need windshield washer fluid, be sure
to read the manufacturer’s instructions before
use. If you will be operating your vehicle in an area
where the temperature may fall bel ...
Trailer Brakes
Because the vehicle has antilock brakes, do not try to
tap into the vehicle’s hydraulic brake system. If you
do, both brake systems will not work well, or at all.
Does your trailer have its own ...
Customer Assistance Offices (U.S. and Canada)
Buick encourages customers to call
the toll-free number for assistance.
However, if a customer wishes to
write or e-mail Buick, the letter
should be addressed to:
United States
Buick Customer ...