Buick Encore: Fuel / Top Tier Fuel

Buick Encore 2020-2026 Owner's Manual / Driving and Operating / Fuel / 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.toptiergas.com for a list of TOP TIER Detergent Gasoline marketers and applicable countries.

Buick Encore. Top Tier Fuel

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...

Other information:

Buick Encore 2020-2026 Owner's Manual: Different Size Tires and Wheels

If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and resistance to rollover may be affected. If the vehicle has electronic systems such as antilock brakes, rollover airbags, traction control, electronic stability control, or All-Wheel Drive, the performance of these systems can also be affected...

Buick Encore 2020-2026 Owner's Manual: Oil Life

This display shows an estimate of the oil's remaining useful life. If OIL LIFE 99% REMAINING is displayed, that means 99% of the current oil life remains. When the remaining oil life is low, the CHANGE ENGINE OIL SOON message will appear on the display...