Buick Encore: Fuel / Recommended Fuel

Buick Encore 2020-2023 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 2020-2023 Owner's Manual: Rainsense™


    If equipped with Rainsense, a sensor near the top center of the windshield detects the amount of water on the windshield and controls the frequency of the windshield wiper. Keep the sensor free from debris to allow for best system performance. INT : When enabled, move the windshield wiper lever to INT...

    Buick Encore 2020-2023 Owner's Manual: Radio Reception


    Unplug electronic devices from the accessory power outlets if there is interference or static in the radio. FM FM signals only reach about 16 to 65 km (10 to 40 mi). Although the radio has a built-in electronic circuit that automatically works to reduce interference, some static can occur, especially around tall buildings or hills, causing the sound to fade in and out...

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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.

    Buick Encore. Vehicle Alarm 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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