The bulb could be blown.
On VWs trunk light may need to have headlights on to operate.
you may have a circuit or you can check your doors for any malfunctions
You do not need mercury. Just install a door jam switch in the trunk wired into a light in the cat so that when the trunk is open a light will come on in the vehicle.
Go to auto zone and have the altermator checked out.
Yes, if your car sits a few days at a time and your cars interior lights periodically come on it will drain your battery.
Sounds like one of the door switches or wire running to them is shorted to ground, since the indicator and cab light are looking for a ground to come on. Some vehicles will not allow power door locks to work while doors are ajar.
no the bar light on your instrument panel that is located on the trunk of the car diagram would light.
in the trunk there are 3 plastic wing nuts take them off and the light will come out.
You can access the brake light bald through the trunk compartment. Remove the trunk liner from the tail light assembly. Push the brake light connector in and turn at the same time. The brake lightbulb will come out. Reverse the process to install the new brake light
well you pop the trunk and if there is a hole light that goes across than you will have to replace the hole back light set but if not thay will come out indvisily and you can get to it from the trunk pull back the carpet that covers the back and there will be some nut take off and it should come out of the out side
Check the trunk light is not staying on, the switch on the the hinge may have come loose and is not shutting off the light.