My android auto will not work maps and Spotify it comes on for a few seconds it's not the usb socket as it still charges but it works through Bluetooth

I have recently bought a vauxhall corsa 2011, it runs perfectly. Nothing else is wrong with it. However since a week after getting it, the airbag light has come on the dash and is there constantly. The airbag button on the radio section constantly flashes and then every couple of days, a few minutes after I start the car it’s start bleeping. It goes away when I pull over turn the engine off, take the key out and start again. Sometimes it starts again but tends to stop after the first time most of the time. However it’s really inconvenient. The guy I bought the car from has come to sort it out… Read complete

Radio works but there is no sound.

Had my Air con topped up, been working ok, now the light won't come off and recirculation light won't come on

Speakers aren’t blown but no sound coming from them.

Battery drain, battery dead every day. New Battery, and alternator tested ok.
Tested all fuses and relays for voltage drain engine compartment fuse box; no drain.
Clove box, fuses 3: Radio, and fuse 4: ignition are causing some drain…. Meter displaying 0.97ma, drops to 40ma when fuse 3 is pulled then drops further to about 0.03 when fuse 4 is pulled.