Car won’t start or even try to start

I just bought a used 07 Pontiac g6 with no
lights on the dash, everything was working
perfect for the 45 minutes I tested it plus the
hour drive back home. When I got about 10
minutes away from my house the hazards
came on on their own, airbag symbol turned
on the dash, everything just started going
crazy so I panicked and pulled over as soon
as possible. I turned the car off waited a few
minutes and tried to start it back up but
nothing not even the cranking noise. Now
when I try to start the car all power works but
on the odometer the hazards blink on their
own and there is a light with a car and lock
on it (anti auto theft lock I believe) It’s also
telling me brake fluid and low fuel (when I just
put a full tank) This all happened out of no
where after only having the car for less than 2
hours. We tried doing the trick with leaving
the key in the ignition to reset the computer
but it didn’t work. Nobody knows what’s
going on with it so I was hoping maybe
someone on here can give me some type of
advice on what to do next please and thank
you