Why is it that every single time I get out of my car, when I go to shut the door it gives me a static shock? 
Static electricity is generated as you slide across the seat backrest to get out of the car when wearing certain materials.
.
in the old days lots of people used to fit http://www.ebay.co.uk/sch/Car-Accessories-/82099/i.html?_fspt=1&LH_CAds=&_udlo=&_sadis=&_sop=12&clk_rvr_id=470673536460&_fpos=&_mPrRngCbx=1&_udhi=&_nkw=anti+static+strap
i think drive belts may make static? used to get it loads on an old volvo 340 with a daf box that had 2 massive rubber belts