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:
Passing
More passing distance is needed
when towing a trailer. Because the
rig is longer, it is necessary to go
farther beyond the passed vehicle
before returning to the lane. ...
When to Check and Change Automatic
Transmission Fluid
A good time to check the automatic transmission fluid
level is when the engine oil is changed.
Change the fluid and filter at the intervals listed in
Scheduled Maintenance and be sure to
use th ...
Adjusting the EQ (Equalizer)
For vehicles with an equalizer:
1. Press the TONE button.
2. Select EQ.
3. Select the setting.
Press the BACK button to go
back to the Tone Settings menu. ...
