A4 wont start and Red Brake sign comes in the panel?

[Tauri]

My petrol Audi A4 did not start yesterday and the Red Brake sign comes on in the panel. Bleeps thrice and stays on and the car wont start. Can someone advise why it wouldn't start?

[kite]

Flat battery

[Tauri]

I tried running the defrost fan and it worked fine and the lights etc are also working so cud it be that battery is not flat and something else is wrong?

[kite]

Turn the lights on, try starting the car, if the lights dim you may have a dying battery

[Tauri]

That will be difficult to monitor on my own and in day light as I wont be able to notice the dimming of lights on starting the engine.

[kite]

Does the engine turn over ?

[SWARCUP]

do it at night

[kite]

do it at night

I'm more of a morning person

[Tauri]

I tried to bump start it by coasting downhill for about 20 metres, it did not start. I then tried again to start with the key and it worked and started straightaway.

Since the brake warning light was coming on, I tried checking the brake oil level but can not clearly see it. I drove off and bought the brake oil to top it. It is rather strange that I cant get the brake oil to pass through the the little filter.

[DBSK]

I tried to bump start it by coasting downhill for about 20 metres, it did not start. I then tried again to start with the key and it worked and started straightaway.

Since the brake warning light was coming on, I tried checking the brake oil level but can not clearly see it. I drove off and bought the brake oil to top it. It is rather strange that I cant get the brake oil to pass through the the little filter.

You cant bump start modern cars as the electronics need power for them to run. You can actually do some damage bump starting cars these days.