Sherry and Judy both drive hot cars. No, not 'hot' in the 'stolen' or 'desirable' sense - just plain HOT! Sherry's Mercury is having 'hot flashes' and Judy's ignition key gets almost too hot to touch. And then there's poor Ali who drives through downtown LA in a Chevy making noises that sound like gunfire. Grab a fire extinguisher and check out this episode of the Best of Car Talk.