Buick Encore: Fuel / Recommended Fuel

Use regular unleaded gasoline meeting
ASTM specification D4814 with a posted
octane rating of 87 — (R+M)/2 — or higher.
Do not use gasoline with a posted octane
rating of less than 87, as this may cause
engine knock and will lower fuel economy.
Do not use any fuel labeled E85 or FlexFuel.
Do not use gasoline with ethanol levels
greater than 15% by volume.
GM recommends the use of TOP TIER
Detergent Gasoline to keep the engine clean,
reduce engine deposits, and maintain
optimal vehicle performance. Look for the
TOP TIER Logo or see www...
Caution
Do not use fuels with any of the
following conditions; doing so may
damage the vehicle and void its
warranty:
For vehicles that are not FlexFuel, fuel
labeled greater than 15% ethanol by
volume, such as mid-level ethanol
blends (16–50% ethanol), E85,
or FlexFuel...
Other information:
Owner Checks and Services
Check the engine oil level. See Engine Oil.
Once a Month
Check the tire inflation pressures. See Tire
Pressure.
Inspect the tires for wear. See Tire
Inspection.
Check the windshield washer fluid level.
See Washer Fluid...
Warning
A crash can damage the seat belt system
in the vehicle. A damaged seat belt
system may not properly protect the
person using it, resulting in serious injury
or even death in a crash. To help make
sure the seat belt systems are working
properly after a crash, have them
inspected and any necessary
replacements made as soon as possible...
Categories
If equipped with an anti-theft alarm system,
the indicator light, on the instrument panel
near the windshield, shows the status of the
system.

Off : Alarm system is disarmed.
On Solid : Vehicle is secured during the
delay to arm the system.
Fast Flast : Vehicle is unsecured. A door, the
liftgate, or the hood is open.
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