Automatic Mirrors - Automatic Day-Night Inoperative

DIAGNOSTIC AIDS
The automatic day-night feature of the inside rearview mirror may not operate properly or become inoperative due to an intermittent short to battery positive voltage in the backup lighting system.

TEST

Steps 1-12:

"For a description of the RPO Code(s) shown in this article or any of the images therein, refer to the RPO Code List found at Vehicle/Application ID". RPO Codes