Automatic Dimming Feature

The vehicle may have an automatic dimming driver outside mirror.

Automatic dimming reduces the glare of the headlamps behind you.

See Power Mirrors.

    See also:

    Checking Engine Oil
    It is a good idea to check the engine oil level at each fuel fill. In order to get an accurate reading, the oil must be warm and the vehicle must be on level ground. The engine oil dipstick handle is ...

    Safety Belt Pretensioners
    This vehicle has safety belt pretensioners for front outboard occupants. Although the safety belt pretensioners cannot be seen, they are part of the safety belt assembly. They can help tighte ...

    Under the hood
    Unique with its all-four-cylinder powertrain, the Buick Regal relies on the excellent horsepower-per-liter ratio of the Ecotec engine family to deliver smart, on-demand performance that is also ve ...