I ALWAYS turn off the A/C, defroster, vents, heat, whatever before shutting off my car. It just seemed good practice to me so I have always done it. I also never park/idle with my wheels turned.

99 Black SVT -3L Hybrid w/.5mm overbore, Spec clutch/flywheel, MSDS, BAT intake, K&N open, 17'Konig Tantrums, DMD, Opt. TB & Y, Powerslots, Bassani w/ magnaflow res. 96 SE MTX- "The War Wagon" "I'm in love with my car..." -Queen