First Engine Oil Change After Every 40 000 km/25,000 Miles
• Fuel system inspection for damage or leaks.
See also:
Ultrasonic Parking Assist
For vehicles with this feature, it uses sensors on the
rear bumper to detect objects while parking the vehicle. It
operates at speeds less than 8 km/h (5 mph) while in
R (Reverse). URPA uses aud ...
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
Detroi ...
Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is
not working, the remaining circuit can still work to stop the vehicle. For normal
braking performance, both circuits ...