Compare Audi A4 electrical fault repair quotes from specialist garages

Since it was founded in 1909, Audi has been at the forefront of automotive innovation. It was the first to conduct crash tests, one of the first to use a dual-clutch gearbox, and in 1921, became the first German manufacturer to make a production car, the Audi Type K, with left-hand drive.

Impressively, Audi is also the most successful carmaker in the history of the World Car Awards, winning 11 titles since 2005 and five World Performance Car Awards as of 2022. Find out whether Audis are expensive to repair in this guide or take a look at how their maintenance costs compare with SEAT and Skoda.

A car's electrical system has many components, including the starter motor, battery, alternator, indicators, lights, radio, power steering and heater. The battery stores electricity generated by the alternator and sends it to the vehicle's ancillary circuits.

Car electrical problems can vary greatly, from loose wires and faulty fuse boxes to starter problems, so it is difficult to know what is wrong without the help of a knowledgeable car electrician.

If your car doesn't crank properly, its headlights aren't working as they should, fuses keep blowing, or your battery dies, these are all signs your car's electrical system is failing.

Find out what to do when your car battery dies in this guide.

Some issues, such as a loose spark plug repair, are easy and cheap to fix, whereas an alternator replacement may be more costly. The good news is that mobile auto electricians will come to you if you can't get your car to a garage.