Do I need to contact the DVLA to cancel my road tax or will cinch do that? 16 December 2024 21:18 Only you can contact the DVLA about road tax for the car, including cancellations. Related articles I'm returning my car within the 14-day money back guarantee period. What do I need to do with the V5 (logbook) when I receive it? If I return the car to cinch how do I get a refund for payment of my road tax? How do I complain about cinch?