One problem related to turn signal flasher unit has been reported for the 2001 GMC Safari. The most recently reported issues are listed below.
While driving driver's seat belt unbuckled on its own. Vehicle was taken to the dealer for inspection, and mechanic determined that the seat belt buckle needed to be replaced. Then, driver noticed that the turn signal and brake lights were inoperative. Vehicle was taken to the dealer for inspection, and mechanic informed determined that the brake light and turn signal flasher switch needed to be replaced.
| Brake Light problems | |
| Turn Signal Flasher Unit problems | |
| Hazard Flashing Warning Light problems |