Nope, it's a one-time deal when the key is turned.
1991 F350 Lariat XLT, 7.3l, 5-speed, crew cab, SRW, 3.55, 2WD. 115K original miles.
1990 Jeep Wrangler Sahara, 4.2l, 5-speed, Dana 30/35 w/3.07s
(for now!), 33x10.5x15 BFG Mud-Terrain KM2s on 4" Rough Country springs. Engine being rebuilt after an awesome afternoon in the mud LOL