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- Mirror glass adjustment motor screw loose.
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- REMOVE mirror glass and TIGHTEN mirror glass adjustment motor screws.
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- Mirror mounting nuts loose.
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- TIGHTEN nuts to 12 N.m (9 lb-ft).
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- Aftermarket air deflector/stone shields.
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- If possible, REMOVE aftermarket air deflector/stone shield, then ROAD TEST the vehicle. If concern is no longer present, advise customer that aftermarket components were causing undesired vibration.
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- Power fold mirror was folded or unfolded manually.
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- The mirrors are inoperative
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- Circuitry.
- Fuse.
- Exterior mirror control switch.
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- A single mirror is inoperative
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- Circuitry.
- Exterior mirror control switch.
- Exterior mirror motor.
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- A single mirror does not function with switch logic
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- Exterior mirror control switch.
- Exterior mirror motor.
- Circuitry.
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- The memory mirror is inoperative
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- Driver seat module(DSM).
- Circuitry.
- Fuse.
- Exterior mirror motor.
- Mirror control switch.
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- The power folding mirrors do not operate - Expedition
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- Circuitry.
- Power folding exterior mirror.
- Driver seat module (DSM).
- Fuse.
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- The power folding mirrors do not operate - Navigator
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- Circuitry.
- Power folding exterior mirror.
- Fuse.
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- The memory mirror is inoperative - does not operate from the memory set switch
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- Circuitry.
- Driver seat module (DSM).
- Exterior mirror motor.
- Memory set switch.
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- The memory mirror is inoperative - the heated exterior mirrors do not defrost
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- Circuitry.
- Exterior rear view mirror.
- Fuse.
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- The auto dimming mirror does not operate correctly
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- Obstructed rear-facing sensor.
- Stickers, window decals, tags.
- Non-OEM window tinting.
- Obstructed forward-facing sensor.
- Stickers, window decals, tags.
- Non-OEM window tinting.
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- If possible, remove the obstruction. If the obstruction cannot be removed, GO to PINPOINT TEST D to test the auto dimming mirror for correct function.
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- Light source near or inside of vehicle.
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- None. Any light source the rear-facing sensor is exposed to can be considered glare.
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- Vehicle inside garage or tunnel.
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- None. Ambient light conditions are similar to nighttime.
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- Fuse.
- Auto dimming interior mirror.
- Circuitry.
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