Contact The Sunroof Doctor for replacement parts & assistance for your Saturn sunroof. http://www.sunroofdoctor.com/9602saturn.htm
Remove the instrument cluster then replace the bulbs. = =
With Sunroof $400 USD. Without $300USD.
If you are mechanically inclined it is cheaper to replace the entire engine
remove the headliner remove the old moonroof install new moonroof replace headliner
It is inside the fuel tank
It is just in front of the sunroof, above the headliner.
There should be a hand piece on the sunroof. By pulling the handle and pulling forward this will close the sunroof.
Remove the inner door panel.See link below.
The manual sez that the odometer lamp is a '73' but offers no help on how to replace it.
Saturn - 1999 is rated/received certificates of: USA:R
It should take you less than a half an hour to replace the TPS sensor.
The factory coolant is Dexcool. I used the Prestone universal, works with all models type. Seems to be fine.