Buick LaCrosse: Recommended Fuel
Use regular unleaded gasoline with a posted octane rating of 87 or higher. If the octane rating is less than 87, an audible knocking noise, commonly referred to as spark knock, might be heard when driving.
If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. If heavy knocking is heard when using gasoline rated at 87 octane or higher, the engine needs service.
Fuel
Use of the recommended fuel is an
important part of the proper
maintenance of this vehicle. To help
keep the engine clean and maintain
optimum vehicle performance, we
recommend the use of ga ...
Gasoline Specifications (U.S. and Canada Only)
At a minimum, gasoline should meet
ASTM specification D 4814
in the United States or CAN/CGSB-3.5 or 3.511 in Canada.
Some gasolines contain an
octane-enhancing additive called
methylcyclopen ...
See also:
For your own safety
Maintenance and repairs
Advanced technology, e.g., the use of modern
materials and high-performance electronics, requires suitable maintenance and
repair methods.
Therefore, have this work perfo ...
To Exit Remote Start Mode Without Driving The
Vehicle
Press and release the REMOTE START button one time or
allow the engine to run for the entire 15 minute cycle.
NOTE:
To avoid unintentional shut downs, the system
will disable the one-time press ...
Repairing minor paint damage
CAUTION:
Remove apparently harmless lookingsubstances from the paintworkimmediately (e.g. bird droppings, treeresins, insect remains, tar spots, road saltand industrial fall out).
You should repair ...
