Cs111 Posted September 8, 2018 Share Posted September 8, 2018 Hi all. Ok so had to install new car battery today in a 2011 cmax. All was going well until putting the neg terminal back on , now the horn blares, headlights, wipers come on and head washers pop out and horn won’t stop until I remove neg lead from battery. Weirdly also the Dash spedo is also stuck at 60mph. Car has keyless entry. I tried locking unlocking car with the hidden key in the fob but getting no where fast Any ideas what I have done wrong and how can I sort this please ? thanks all Quote Link to comment Share on other sites More sharing options...
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