The solenoid is on the starter.
There are several causes of oil leaks in a 1998 Buick Skylark. It could be a gasket, a bad seal, or even a drain plug.
A 1998 Buick would use R134a refrigerant.
Somewhere on the exhaust system. LOOK
I think the last year for Skylark was 1998, but they weigh around 2500 pounds.
The check engine light on the 1998 Buick Park Avenue can be reset by disconnecting the battery for a few minutes and then reconnecting it. The check engine light is only going to stay off if the problem that created the light is fixed.
Maybe $100 tops....
1998 Buick park ave reset. Button for.oil.change
The fuel shut off reset button is located inside the 1998 Buick LeSabre. It can be found on the firewall in the front passenger side.
if your horn doesn't work could it be the air bag on the steering wheel