One problem related to side/rear glass has been reported for the 1997 Saturn SL2. The most recently reported issues are listed below.
Driving vehicle during the rainy weather rear window would be distorted or wavy, visibility would be very poor; took to dealership who called it "the christmas tree effect. " Saturn has pin-stripped the orange defroster lines block. This eliminated "the christmas tree effect," but darkened the interior of vehicle.