problems becoming big ones. Get a lowcost car diagnostics test from Halfords Autocentres to identify fault codes and warnings. Book online c Car Repairs Everyone Should Know Lifehack You know the frustration of your car breaking down when you need it the most. What if I told you that some of the most common car problems have easy fixes? Kenilworth Car Maintenance, Repairs, and HowTos Car Maintenance, Repairs, and HowTos. It’s both useful and empowering to know how to fix your own car. Whether you need to test the condition of your car battery.