You have asked the million dollar question,if you look on this site at the thousands of faults related to Renaults,it doesn`t matter that you haven`t given your model because you can be guaranteed you will have problems,especially electrically,would advise the next time you buy a motor,do your research and steer clear of Renault and French cars in general.
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.