Bounce-back

When an obstacle has been detected in the window opening as the window is moving upward, the window will automatically reverse direction and move down. This is known as “bounce-back”. If the ignition is turned off (without accessory delay being active) during bounce-back, the window will move down until the bounce-back position is reached.
See also:
Special Operating Condition Log
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Lincoln MKZ Exterior
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Readiness for Inspection/Maintenance (I/M) testing
Some state/provincial and local governments may have
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