I don't think your car has a flasher... It is probably your ETACS ECU... That is located behind your fuse box in the drivers side dash. Good luck $280 dollar part.
To remove the dash from a Jetta, remove the two screws underneath the tray on top of the dash. Pry the dash out slightly, enough to get your fingers behind it, and lift upwards and it will unlatch.
The dash board in any car is usually unscrewed. You will need a power tool.
To take out the dashboard on he 2002 Mitsubishi Lancer ES simply refer to your user manual.
How to remove the dash board in a 2003 Chevy Cavalier. Center A/C vents not working and it squeaks all the time.
2003chev expressvan dash removel
it is under the passenger side dash. Very easy to remove.
under the dash on the passenger side, remove the panel on the bottom of the dash, and its behind the blower motor
You take the screws out of the dash and remove the dash. Be careful or you will break it. After you get it off, you will have to disconnect like 3 wires to get it off, there are screws on the instrument cluster. You remove those and it pops right out. Mine went out in my trailblazer.
I had mine fixed by mrwizzard.com I had to remove it and send it in. cost was about 100 dollars in 2003 for 1991 trofeo dash cluster.
Most likely the air compressor for the level ride sytem.
I just did this. You can simply use a butter knife to GENTLY wiggle the bezel from it's fixture. Try inserting the knife near the crease points on the dash.