Buick LaCrosse: 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 methylcyclopentadienyl manganese tricarbonyl (MMT). We recommend against the use of gasolines containing MMT. See Fuel Additives for additional information.
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 hear ...California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed to operate on fuels that meet California specifications. See the underhood emission control label. If this ...See also:
Warning/indicator lights and audible reminders
...
Light reminder buzzer
Vehicles without a smart key system
A buzzer sounds when the engine switch is turned “OFF” or to “ACC” position
and the driver's door is opened with the key removed from the engine
switch ...
Memory status
In phone mode, the memory status of the infotainment system's phone book and
the connected cell phone's phone book can be seen in Phone menu Phone book Memory
status. ...