My '94 Civic has a moon roof. I have had no leaks or other problems so
far. At highway speeds it gets too noisy to be comfortable, but driving
at 40 and below it is fine. I open it every chance I get, I really enjoy
the open-air feeling. I have found that air does not enter through the
open moon roof, rather it escapes there, and it does improve the flow of
air through the cabin somewhat.

I've owned 5 Hondas/Acuras with moonroofs and they do *not* leak and
require minimal maintenance: a rub of the rubber with silicone spray soaked
towelette and a spritz of grease in the slides and mechanism from time to
time .  On an Spring or early Summer day, where A/C is not required, I
really enjoy an open roof - a matter of taste.  It doesn't transform your
car into a sports car but it's the next best thing.  Wind noise, even at
freeway speeds, although obviously increased, is not a problem for me but
then I rarely listen to the radio or CD player.

Only drawback I've heard is for tall folks, especially long-bodied - the
headroom is reduced by enough to bother them.

Rgds, George Macdonald

"Just because they're paranoid doesn't mean you're not psychotic" - Who, me??

No leaks. It's a nice, relatively quiet way to get air circulation without
having to 'roll' down the windows (which *does* create a lot of noise). As
another poster said, it brightens things up inside, which *can* be good.

Howard Lester

++++++++++++++

Like George said . . . avoid them if you're tall. A pain in the neck. :-(

'Curly"

Here in FL I rarely use mine.  

In the summer its to hot.  On the highway, its to noisy.  On sunny
days, its to much sun.  

It really eats up the head room.  I wonder what the statistics are for
increased injuries in accidents.  

I always have the shade open (except when parked on warm/hot days) even if I
don't always open the glass.  Don't know if I could get used to not having
one after 20 years and 3 Preludes (84, 90, 99).

As far as leaking, occassionally check that the drain tubes do in fact drain
by pouring a little water down the 4 corners (at least the ludes have 4
drain tubes).  Check that the water leaks out from the body, typically
behind the wheels somewhere.  I had to clear the rear tube outlets (rubber
nipples) with a small screwdriver on the 90 Prelude after taking a surprise
shower upon the first turn after work one day.  There was just a very little
debris plugging the outlets, but obviously enough to fill the rear tubes and
inner metal tray while the car was parked slightly uphill during an all day
rain.

Other than that surprise,  I've only had a few drops in the inner tray on
all 3 cars after a rain or wash.  If you plan to use roof racks, check the
mounting and clearance.  I never had problems with Thule racks on all 3 cars
(critical positioning on the 84 since the radio antenna from the drivers
pillar had to thread its way past the roofrack crossbar and short roofline
adapter.  And, the salesman did wonder what I was doing with cardboard
cutouts, rulers, and tape measurers before I actually bought the 99-the
first moonroof for me that slid up and out instead of down and in.

It is for pleasure.

A little ventilation, but more of a fresh-air feeling, the resonance
of the internal space is affected, or something like that.

A little wind noise when open - I'm going to fool around with some
flow controllers like you see on (older) airliner wings, see if I can
quiet it.

No leaks.

I've gotten quite used to them on my last two cars, always have the
shade open, weather permitting generally have the panel in tilt mode.

Note that with the shade open, you may have *more* headroom than a
plain roof.  Of course, with the moonroof all the way open, you can be
really tall, but you may get a crick in your neck.

And you can see the police choppers following you around.

J.

Sarah loves the moonroof and I hate it due to the noise.
When she drives the car by herself--she keeps it open.
When I drive the car by myself--I keep it closed and use the AC.

It is has been the source of lots of arguments.

Just because a car has a moonroof--it does not mean you have to
use it unless you want to use it.

The only problem I've had with the moon roof on my 98 Civic is that the
hot S. Florida sun is rotting out the sliding door for the moon roof.