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Make sure if you have a light switch to turn on and off auto lights or a settings control that the auto light function is switched on.Some models have this feature.If this is o.k. or does not have this feature you will need to have the fault codes checked to see what codes are set as this will help diagnose the fault.Being a 2015 model this may still be covered under factory warranty to be diagnosed and repaired at a dealer as well.
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