Buick Regal Owners & Service Manuals
Buick Regal 2018-2026 Owners Manual / In Brief / Initial Drive Information

Buick Regal: Initial Drive Information

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 Stop/Start System

The vehicle may be equipped with a fuel saving Stop/Start system to shut off the engine and help conserve fuel. When the brakes are applied and the vehicle is at a complete stop, the engine may turn

 Door Locks

To lock or unlock the door from outside the vehicle: Press or on the Remote Keyless Entry (RKE) transmitter. Use Keyless Access. Use the key. The key lock cylinder is covered with a cap. Fro

 Liftgate

To unlock the liftgate, press on the power door lock switch or press on the Remote Keyless Entry (RKE) transmitter twice to unlock all doors and the liftgate. Press the emblem on the end of the li

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 Selecting the Right Engine Oil

Selecting the right engine oil depends on both the proper oil specification and viscosity grade. Specification Use full synthetic engine oils that meet the dexos1 specification. Engine oils that have been approved by GM as meeting the dexos1 specification are marked with the dexos1 approved logo.

 Fuel (2.0L Turbo Engine)

Premium Recommended Fuel Use premium 93 octane unleaded gasoline in your vehicle. Unleaded gasoline with an octane rating as low as 87 may be used, but it will reduce performance and fuel economy. Fuel (3.6L Engine) Regular Fuel Use only unleaded gasoline rated 87 octane or higher in your vehicle.

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