How do you fix lights from glaring?

you don't. it blew out stupid?

If they are headlights first check if grime on the outside. Sometimes that may dim the lights. Also try to adjust the bulb or position of bulb, they may point downwards and seem less bright. If not...

Purchase the type of light switch you need. You may need a single pole switch, a three-way switch or a four way model, depending on how many lighting locations the switch is responsible for...

You must take it to the dealership or a mechanic shop and have them use a scan tool to display the trouble code. You then look up the code and it will tell you the problem.