Push on the door which will spring it open. Turn the cap to the left.
The low beam headlamps, on a 2006 Buick lacrosse CXS, can be changed by first locating the bulb on the back of the headlight. Grasp the bulb, push in and turn, and the bulb will come out. Insert the new bulb.
I know that on my Lincoln the air bag cutoff switch is in the trunk on the side wall
The turn signal relay and hazard relay may need to be replaced, see your dealer You may have a short.
Trun signal lights do not come on at all not on dash or outside
replace the combination switch on the turn signal stalk
Interior Lights thumbwheel is above the headlight switch on the left of the dash. Rotate the wheel all the way up to turn on the interior lights. Just past the highest dashboard light setting.
In a 2006 Buick LaCrosse, the turn signal wires are typically located within the vehicle's wiring harness, which runs through the steering column and connects to the turn signal switch. You can access these wires by removing the steering column cover. The specific color coding for the turn signal wires may vary, but they are generally found in the harness connected to the switch. Always consult a wiring diagram for precise identification and to ensure proper handling.
On the side of the door it says Lights and Parking lights are under it. But you push in the top knob on the driver side door.
The lights on your Buick could be out for a number of reasons. It could be blown fuses, faulty wiring, or dead bulbs. Your mechanic would be able to test this.
Yhese are fed from different sorces so I would check the groiunds on the lights.
if you have the owners manual it tells you how to change (turn off) the auto lights on setting basically turn the light control knob