Check the fuse box.
You don't. A 1991 Cavalier did not come with airbags.
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I have a 1991 Chevy surburan and it has no tail lights and no dash lights, all fuses are good
Behind the glove box.
70 ft-lbbs
Behind the glove compartment.
wich fuse goes to my dashboard lights on a 1991 potiac fire bird
You don't, you replace it.
70 ft-lbbs
Around 2300-2500 lbs
Chevy dealer, auto parts store, etc.
Well if you pop the hood and look above the headlights you will see a screw. It may be a hex screw. Now if you need to raise the lights tighten the screw and if you need to lower the lights, loosen the screw.