Fuel mistake can land you hefty bill and invalidate your car insurance - how to avoid it HUNDREDS of thousands of motorists across Britain are making an error when feeling up their car which would lead to very costly repairs. Here’s how to avoid it. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Driver WARNING - Shock reason how leaves on your car could cause a FIRERenault Megane RS 2018 REVIEW - This hot hatchback is a sports car killerBMW 8-Series 2018 REVIEW - Road test, price specs and comparisonVauxhall Corsa GSi REVIEW - Better than ever but here's why you probably won't buy oneHuge driving test shake-up COMING SOON - Here’s what’s changing and how it will affect youMazda CX3 REVIEW - Is the SUV just style over substance?