One problem related to defogger heater has been reported for the 1998 GEO Metro. The most recently reported issues are listed below.
The heater emitted a smell when it was on.
| Defogger problems | |
| Windshield Wiper/washer problems | |
| Defogger Heater problems | |
| Windshield problems | |
| Windshield Wiper/washer Switch problems |