GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 1999 🢒 Seville 🢒 Body and Accessories 🢒 Stationary Windows 🢒 Defogger System Check

Step

Action

Normal Result(s)

Abnormal Result(s)*

1
  1. Turn the ignition switch to ON.
  2. Place the gear selector lever in PARK.
  3. Press the rear defogger button.

The rear defogger button illuminates. The rear defogger grid becomes warm.

Go to Rear Window Defogger Inoperative .

* Refer to the appropriate symptom diagnostic table for the applicable abnormal result.