Lincoln MKX 2017 Owner's Manual page 246

Cross Traffic Alert is designed to detect
vehicles that approach with a speed up to
37 mph (60 km/h). Coverage decreases when
E142440
In this first example, the left sensor is only
partially obstructed; zone coverage to the
right is nearly maximized.
MKX (CD9) Canada/United States of America, enUSA, First Printing
Driving Aids
the sensors are partially, mostly or fully
obstructed. Reversing slowly helps increase
the coverage area and effectiveness.
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