See also:

Brakes
Occasional brake noise is normal. If a metal-to-metal, continuous grinding or continuous squeal sound is present, the brake linings may be worn-out and should be inspected by an authorized deale ...

Airbag supplemental restraint system (SRS)
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Overview
Lincoln MKT full-size crossover offers a dramatically improved ride, sharper handling, better fuel economy and new safety technologies including rear inflatable seat belts for the 2013 model year, p ...