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 MANUALSMERCURY2010MARINER HYBRID, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 204 (PARKING AID SYSTEM)GENERAL PROCEDURESELEVATION SYSTEM CHECK
2010 Mercury Mariner Hybrid, AWD
Elevation System Check
2010 Mercury Mariner Hybrid, AWDSECTION Elevation System Check
WARNING: This page is about a different car, the 2005 Mercury Montego, 2005 Ford Freestyle, and 2005 Ford Five Hundred. However, it is still accessible from the selected car via links, so may be relevant.
- Check the parking aid system to make sure the system does not see signals caused by ground reflections.
- The following system check should be carried out with the vehicle on a 4.6 meters (15 feet) wide by 3.0 meters (10 feet) deep smooth concrete surface, free of all obstacles. The area should also be free of noise from fans and pneumatic tools.
- Turn the ignition switch to the ON position, engine off.
- Apply the parking brake.
- Place the gear shift in R (reverse).
- Verify that no audible warning tones are heard.
NOTE:
No audible warning tones should be heard. If audible warning tones are heard, check to make sure the bumper is installed correctly and not tilted downward so that the sensor is pointing towards the ground.
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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.