Buick Encore: Fuel / Recommended Fuel

Buick Encore 2020-2025 Owner's Manual / Driving and Operating / Fuel / Recommended Fuel

Buick Encore. 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.

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 2020-2025 Owner's Manual: Safety Locks

The rear door safety locks prevent passengers from opening the rear doors from inside the vehicle. Manual Safety Locks If equipped, the safety lock is located on the inside edge of the rear doors. To use the safety lock: Insert the key into the safety lock slot and turn it so the slot is in the horizontal position...

Buick Encore 2020-2025 Owner's Manual: Tire Changing

Removing the Spare Tire and Tools The spare tire and tools are located in the storage compartment in the rear of the vehicle. Center Retainer Subwoofer Wrench Strap Tow Eye (if equipped) Jack To access the spare tire and tools: Open the liftgate...