Acura TLX 2021 Owner's Manual page 469

uuAcuraWatch TM uTraffic Jam Assist
• The section of the road branches off or merges with another road.
Lane void of lines at junction
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Certain features of the road can interfere with proper radar sensor
operation. Here are some examples:
• The road has curves, undulations, slopes, etc.
• The radar beam is reflecting off multiple items that are within close proximity of
your vehicle. This can happen when you are driving, for example, across a narrow
truss bridge.
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