Acura MDX SPORT HYBRID 2017 Owner's Manual page 294

uuWhen DrivinguBlind spot information (BSI) System
1Blind spot information (BSI) System
For a proper BSI operation:
•
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.
The system does not operate when in ( R .
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