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code 18

  1. [Insignia] [08-17] Weird Code 18 issue - Insignia

    Cavalier, Calibra, Vectra, Signum, Sintra & Insign
    Morning All, I own a 2013 Vauxhall Insignia and I keep getting the Code 18 error for the dipped bulb. Now here is the weird part, if I get out my car and hit the headlight the light comes on and the error goes away. I have tried turning the lights on manually flicking to full beam, also made...