Acura TLX 2020 Owner's Manual page 425

* Not available on all models
uuWhen DrivinguBlind spot information System
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1Blind spot information System
For a proper blind spot information system operation:
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Always keep the rear bumper corner area clean.
•
Do not cover the rear bumper corner area with
labels or stickers of any kind.
•
Take your vehicle to a dealer if you need the rear
bumper corner area or the radar sensors to be
repaired, or the rear bumper corner area is strongly
impacted.
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