Acura TLX 2021 Owner's Manual page 502

uuParking Your VehicleuCross Traffic Monitor *
*
1Cross Traffic Monitor
For proper operation, always keep the rear bumper
corner area clean.
Do not cover the rear bumper corner area with labels
or stickers of any kind.
The parking sensor system's alerting buzzer overrides
the Cross Traffic Monitor buzzer when the sensors
are detecting obstacles at the closest range.
* Not available on all models
Continued 501