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Home >> Hummer >> 2007 >> H3 L5-3.7L >> Repair and Diagnosis >> Body and Frame >> Mirrors >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> Automatic Day-Night Mirrors Inoperative

Automatic Day-Night Mirrors Inoperative



Automatic Day-Night Mirrors 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 voltage in the backup lighting system.

TEST

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Step 12:





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