In general terms, a lemon law, if it applies in your locale, means that a
single an specific problem has been "repaired on three separate occasions
and yet still exists.  Since you have multiple problems, and none of them
quite meet the specifics of a lemon law, then I think your car is not a
lemon in that sense.

It can happen, however, that you get one of the small percentage of vehicles
off of any assembly line that is just not as well made as it should be.
Solution?  Trade it in.

Bobby

for some reason, the typical dealership trickery is at work.
You went to the dealer to have the light bulb changed, why?  If you can't do
it yourself, that's fine, the bulbs for these cars are buried and several
things have to be removed to get to it.
3 bulbs is a lot, but look at the size of them, they are H1's, if only 1
side, you should have had them check for excessive voltage on that side.
the unit itself does nothing but house the sockets.

dealerships make money and charge a lot to get this, they are also on
commission.  just becasue you bring your car to a dealer for work, DOES NOT
mean they know what they're doing either.  There is usually 1-2 people who
know what's going on, but they will never be assigned your car for little
things.
When you bring the car in, you talk to the service advisor, this person is
simply: A SALESMAN.  they know nothing but buzz words, and know how to make
themselves knowledgable.  they get their info from the techs, and tell the
techs what they can and can not fix.  a tech might want to do more
diagnostic for something, but if it costs a lot of time, and YOU are not
paying for it, the answer would probably be no.
Just remember who you're dealing with.

If you goto an independant repair shop, you usually deal with the tech
themselves, and they know they would be held accountable by you because you
have spoken to them.  any noise you hear will be relayed directly to the
tech vs. thru the salesperson/middleman.
the price won't be as high, and the quality of work almost always is the
same if not better.