What should I do if my Audi A4's engine won't start?

I've tried starting my Audi A4 multiple times, but the engine won't turn over. I've checked the battery and it seems to be working, so I'm not sure what the issue could be. Any advice?

First, you should try jumpstarting your car. It's possible that your battery is weak and needs a boost. If that doesn't work, it could be a problem with your starter motor. I suggest taking your car to a mechanic for a proper diagnosis and repair.

Another possibility is that your fuel pump is faulty. This is a common issue with Audi A4s and can cause your engine to not start. If you hear a buzzing sound coming from the back of your car when you turn the key, that's a sure sign that your fuel pump needs to be replaced.

It's possible that your ignition switch is the problem. This can happen over time with repeated use, and can prevent your car from starting. You can try jiggling your key in the ignition to see if that helps. Otherwise, you'll need to have it replaced by a professional.