"96" <no@mail.com> wrote in message
news:NaOif.25123$q%.10379@newssvr12.news.prodigy.c om...
> I just noticed 2 problems tonight for the first time and I
wonder if it
> might be related to having the alternator changed
Saturday:
>
> - The cigarette lighter dont work anymore (but it worked
until this morning,
> which is 36h after the change). The blue light around it
is still on but
> much weaker

Check the fuse first, just to eliminate it.

> - I heard a high pitched squeaking sound a few seconds
after I started
> tonight, that sound disappeared after that (loose belt?)

Yes, this is exactly the description of a loose alternator
belt: Squeals on first startup, then quiets down.

If you're handy and have a set of metric wrenches and
sockets, it shouldn't be hard to tighten it up yourself.
There's a free online manual at www.autozone.com , On the
left, click on "Repair Info," then "Vehicle Repair Guides."
Click on car year, make, and model, etc.