i get no sat locks when my RIKALINE 6010 is postioned inside my car (vw golf mkiv), no matter what location i put it . i get at best two red signals . when i put the RIKALINE 6010 on the roof outside i get atlest 8 green locks, move it inside and they all go, untill the nice lady tells me signal too low ( d3

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i have tried sirf mode , removing the battery and tin foil but all have no effect. any tips would be great . does any one know where the golf mkiv have there factory fitted receivers postioned ?