I have only owned my Laguna for 2 weeks having purchased it second hand. It has been running beautifully up until yesterday. I was travelling south on the M1 at a steady 80 mph in the outside lane in the process of overtaking a slower vehicle when all of my dashbord warning lights lit up, the dials zeroed and the engine cut. As you can imagine, this was a very unpleasant experience. I managed to coast over to the hard shoulder and stop. I released the keycard by pushing the stop button, waited a minute and re-inserted the card. Nothing happened. It was a full 15 minutes later that the electrics came back to life. Fortunately I got the rest of the 30 miles back home. Has anyone ever experienced the same thing? If so did you find out what caused it? It has happened again 3 times but luckily I was only local. The Renault dealership is unable to look at it for at least 9 days as they are fully booked so if anyone has any information I would be extremely grateful.