remove the trunk floor and the battery is on the right next to the spare tire.
Does it not have a key lock on the trunk lid.
To replace the brake light on a 2000 Pontiac Montana open the trunk to reveal the housing units. Find the lights and pull the bulbs out. Replace the units.
in the trunk
In order to replace the rear window tail light you need to get into the truck. Once inside the trunk look to the top of the trunk and look at where the screws are for the rear tail light. Unscrew them and the entire housing for the light will pop off.
A boot is a boot in UK and a trunk in US!
If you have a V8 engine which I do, mine is in the trunk.
In the top of the trunk near where the brake light is located, there is a small plastic window, remove it and you access the light bulb.
there's a bare wire at the fuse box, you can put jumper cables on there, to get the trunk open. David
open trunk,pull back inside lining to trunk,there should be 3 or 4 plastic nuts to take off. then pull out light assembly.
take it to a garage!!
from inside the trunk just take the plastic pins out that hold the carpet directly behind the tail light and twist the light socket out and change the bulb