Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSMERCURY2009MILAN PREMIER, 3.0 1, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1401 (REAR VIEW MIRROR)DIAGNOSTIC TESTSREAR VIEW MIRRORSSYMPTOM CHART

2009 Mercury Milan Premier, 3.0 1, AWD

Symptom Chart

2009 Mercury Milan Premier, 3.0 1, AWDSECTION Symptom Chart

WARNING: This page is about a different car, the 2009 Mercury Grand Marquis and 2009 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.

Symptom Chart

Condition	Possible Sources	Action
The mirrors are inoperative	Fuse Circuitry Exterior mirror control switch	Go to Pinpoint Test A .
A single mirror is inoperative	Circuitry Exterior mirror control switch Exterior mirror motor	Go to Pinpoint Test B .
A single mirror does not function with switch logic	Circuitry Exterior mirror control switch Exterior mirror motor	Go to Pinpoint Test C .
The auto-dimming mirror does not operate correctly	Sources of obstructed rearward-facing sensor can include: stickers, window decals, tags. non-OEM window tinting. Sources of obstructed forward-facing sensor can include: stickers, window decals, tags. non-OEM window tinting.	If possible, REMOVE the obstruction. If the obstruction cannot be removed, go to Pinpoint Test D to TEST the interior auto-dimming mirror for correct function.
	Light source near or inside of vehicle	None. Any light source the rear-facing sensor is exposed to can be considered glare.
	Vehicle inside garage or tunnel	None. Ambient light conditions are similar to nighttime.
	Fuse Interior auto-dimming mirror Circuitry	Go to Pinpoint Test D .
The heated exterior mirror is inoperative	Fuse Circuitry Heated exterior mirror glass	Go to Pinpoint Test E .

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.