See: http://www.matthewsvolvosite.com/chat/phpBB2/viewtopic.php?t=4452
The cabin air filter of a 2004 Volvo s40 is located behind the glove compartment. To install a new filter simply remove the glove box and the filter can easily be replaced.
Need year, make, model but on most of them the a/c relay will be located on the climate control unit behind the glove compartment
YES
Behind glove box
Under the back cargo compartment.
The best way to free a stuck brake on a Volvo is with a caliper spreader. You can find one at an autoparts store or dealer.
In the spare tire compartment.
No. A stuck gas door is however.
http://www.matthewsvolvosite.com/glovebox_fix_850.php
Volvo v70 rear seat can't fold flat
Passenger compartment, component 2
The fuse box is not in the engine compartment. Check below the radio, behind the garbage container.