You can it extend your manufac warranty atyour local dealer, there are a few different options of doing it i.e you can extend the warranty to 4 years/60k or 5years/60k or you can up the milage. The waranty extends the period of the manufacturers warr and it also extends the Renault assist AA cover, prices vary on engine size but start at around £375 I think. Not at work today so not got the paperwork to hand.