Front parking lights do not work, turn signal marker lights do not work. Looking for the fuse to these lights

The heater is only working on the right side, any idea what I can do?

My speedometer isn't working any suggestions

The audio is not working it just started just a few months ago

My battery went flat and now my audio does not work. I cannot turn it on or off

After about 20 minutes my audio cuts out- goes silent apart from a clicking sound, then the audio comes back on intermittently, if i stop, switch off then restart its fine for a while, this happens in…