hi all satnav problems

[mart123]

hi all can anyone help me, ive just bought a 2005 td4 freelander which has the becker built in sat nav, trouble is it has jammed and is telling me im 40 miles away from where I am . I have tried reseting it using the fuction buttons 1., 3 and tp button but once it resets I still have the same problem its like its not linking to any satalites. has anyone got any ideas many thanks

 

[joey]

Possible bad antenna.