Canada Only- Page 255

6-4

It is recommended that the gasoline meet specifications
which were developed by the American Automobile
Manufacturers Association (AAMA) and endorsed by
the Canadian Motor Vehicle Manufacturers Association
for better vehicle performance and engine protection.
Gasolines meeting the AAMA specification could
provide improved driveability and emission control
system performance compared to other gasolines.

In Canada, look for the
“Auto Makers’ Choice”
label on the fuel pump.

Canada Only

Be sure the posted octane for premium is at least 91 
(at least 87 for regular). If the octane is less than 87, 
you may get a heavy knocking noise when you drive. 
If it’s bad enough, it can damage your engine.

If your vehicle is certified to meet California Emission
Standards (indicated on the underhood emission control
label), it is designed to operate on fuels that meet
California specifications. If such fuels are not available
in states adopting California emissions standards, 
your vehicle will operate satisfactorily on fuels meeting
federal specifications, but emission control system
performance may be affected. The malfunction indicator
lamp on your instrument panel may turn on and/or your
vehicle may fail a smog

-

check test. See “Malfunction

Indicator Lamp” in the Index. If this occurs, return to
your authorized Buick dealer for diagnosis to determine
the cause of failure. In the event it is determined that the
cause of the condition is the type of fuels used, repairs
may not be covered by your warranty.