If the engine continues to run after you have turned the key off you have what was called "Dieseling". Checking the timing and set the idle to factory specs should cure it. Shutting the engine off while stopped in drive will stop the engine for now until you get it looked at.
check your antenna belt/fuse !
Check your battery
I do not have a answer for it, do you an answer for this problem?
First you need to give a little more info.Will engine crank or not, is engine getting fuel.
Brakes locked, wheel bearing frozen to spindle, emergency brake on.
Your alternator may be bad
your ingine will make a sound and then wont start or turn over,
Why my Cadillac 1986 wont start
What do you mean it wont do anything... will the engine turn over... is the battery good... if the battery good and the engine wont turn over as if its not receiving power to the starter then it might be a bad starter or bad starter solenoid.
Remove Dist. cap turn engine if dist. don't turn its the timing belt. If not check elec. fuel pump.
Bad starter or weak battery.
your fuse is probably burnt check your headlights fuse in your fuse box could be the light too