Buick Regal: Recommended Fuel
If the vehicle has a 2.4L L4 engine (VIN Code C), 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.
If the vehicle has the 2.0L L4 engine (VIN Code V), use premium unleaded gasoline with a posted octane rating of 91 or higher.
You can also use regular unleaded gasoline rated at 87 octane or higher, but the vehicle's acceleration could be slightly reduced, and a slight audible knocking noise, commonly referred to as spark knock, might be heard. If the octane is less than 87, a heavy knocking noise might be heard when driving.
If this occurs, use a gasoline rated at 87 octane or higher as soon as possible. Otherwise, you could damage the engine. 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 gasoline adv ...
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 ...
See also:
How to insert a CD(s) (type B)
1. Briefly press the “LOAD” button. If the magazine in the player has an idle
position where you can insert a disc, the disc number indicator associated with
the idle position will blink.
I ...
Setting the Clock
On models without navigation system
To set the time, press the CLOCK
button until you hear a beep. The
displayed time begins to blink.
Change the hours by pressing the H
(hour) button until th ...
What to Use
WARNING!
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids can boil before
the proper coolant mixture will.
The coolant warni ...
