Door Ajar Light
Buick Regal / Buick Regal Owners Manual / Instruments and Controls / Warning Lights, Gauges, and Indicators / Door Ajar Light

This light comes when a door is open or not securely latched.
See also:
Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat
or rolling terrain. Tips for driving in these conditions include:
Keep the vehicle serviced and in good shape.
Che ...
English and Metric Unit
Conversion
To change the display units between
English and metric units, see Driver
Information Center (DIC) for more information. ...
Tachometer
The tachometer displays the engine speed in revolutions
per minute (rpm). ...
