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

This light comes on in the Driver Information Center (DIC) when a door is open or not securely latched.
Before driving, check that all doors are properly closed.
See also:
Horn
Press near or on the horn symbols on the steering
wheel pad to sound the horn. ...
Hood
To open the hood:
1. Pull up on the hood release handle with this symbol on it.
It is located inside the vehicle to the left of the steering column.
2. Go to the front of the vehicle and move t ...
How to Add Coolant to the CoolantRecovery Tank
If you have not found a problem yet, but the
coolant level is not at the FULL COLD mark, add
a 50/50 mixture of clean, drinkable water and
DEX-COOL® engine coolant at the coolant
recovery tank.
...
