i was driving my 147 on a bypass road i put my foot down to change to 4 and i had a warning selespeed system failure and it would'nt change up a gear when i pulled in turn the engine off and back on still the same the only gears i had was 1,2,reverse i called out a recovery truck to take me home and its still the same after about 2 hours can any body help me out please iv only had my 147 9 weeks its y reg 147 selespeed 20lt