Car insurance - How giving your friend a lift could invalidate your insurance DRIVERS are being urged to being careful the giving friends lifts as making a simple mistake could see your cover invalidated. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Car insurance mistake that could land you a criminal record and fraud prosecutionHere’s why you could be fined £100 when stopped at a red light This fuel blunder could cost you £3,000 to fix, and 150,000 drivers do it every yearForget Tesla Roadster, Aston Martin could launch rival electric supercarTesla Model 3 is even faster than advertised - Car’s 0-60mph time smashed in new testDiesel car death is responsible for two worrying trends, that could be costly