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:
Keyless Trunk Opening
Lift up on the touch pad located
above the license plate to open the
trunk if the RKE transmitter is within
range. ...
Off-Road Recovery
The vehicle's right wheels can drop off the edge of a road onto the shoulder while driving.
If the level of the shoulder is only slightly below the pavement, recovery should be fairly easy.
Ease o ...
Bluetooth Hands-Free Phone System with
Navigation System (if so equipped)
WARNING
● Use a phone after stopping your vehicle
in a safe location. If you have to use a
phone while driving, exercise extreme
caution at all times so full attention may
be given to vehic ...