How can you manually open the front door of a Renault laguna when electronic key is not working?

is it laguna ll if so pull key card at top and bottom and inside is key. on passenger side door there is cover on the handle which hides key hole. under cover there is a small hole , use key to remove cover and there is your key hole. to lock car after just press door lock in centre console and close passenger door. if mark l laguna sorry i cant help.