Rear View Mirrors — 2016 workshop reference 951

H4 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING MIRROR - DAYLIGHT CONDITIONS

Simulate daylight conditions by using a bright lamp to illuminate the forward and rearward facing sensors. The mirror should adjust to a high reflectance state (mirror will be clear).

Rear View Mirrors — original illustration 1, reference 951Original colors & callouts · Select to enlarge

Did the mirror adjust to a high reflectance (clear) state?

Yes		GO to H5
No		INSTALL a new interior auto-dimming mirror. REFER to: Interior Rear View Mirror (501-09 Rear View Mirrors, Removal and Installation).

H5 VERIFY THE OPERATION OF THE INTERIOR AUTO-DIMMING MIRROR - NIGHTTIME CONDITIONS WITHOUT GLARE

NOTE: Covering the sensor(s) with a finger or hand is not adequate for this step.

Simulate nighttime conditions without glare by using black electrical tape or other dark material to cover the forward and rearward facing sensors. The mirror should adjust to a high reflectance state (mirror will be clear).

Source reference 951

2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.