My car does this once in awhile to it's wierd. The RPM guage sitsat about 100RPM, and the speedo reads about 5km/h when parked in the driveway. Usually when i start my car it goes back to normal when it happens though, so i'm not too worried about it.

 

ok, they just phoned me leaving a message sayin that I need to take bring both my keys along when they do this. Why would they need both my keys?