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:
Low Fuel Warning Light
The light next to the fuel gage will come on briefly
when you are starting the engine.
This light comes on when the fuel tank is low on
fuel. To turn it off, add fuel to the fuel tank. ...
Engine Heater
The engine heater, if available, can help in cold weather conditions at or below
−18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug
in the heater at least ...
Vehicle Overview
As the 2004 model year began, a midsize luxury sport utility vehicle dubbed
Rainier joined the Rendezvous "crossover" model in Buick's lineup. Built with
full-frame construction, the Rai ...
