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.
0Do not use any fuel labeled E85 or FlexFuel. Do not use gasoline with ethanol levels greater than 15% by volume.
Top Tier Fuel
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...
Prohibited Fuels
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:
Buick Encore 2020-2026 Owner's Manual: Delayed Locking
This feature delays the locking of the doors until five seconds after all doors are closed. Delayed locking can only be turned on when the Open Door Anti-Lockout has been turned off. When is pressed on the power door lock switch while the door is open, a chime will sound three times indicating delayed locking is active...
Buick Encore 2020-2026 Owner's Manual: Rear Compartment Fuse Block
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Vehicle Alarm System
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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