Acura RLX 2018 SPORT HYBRID Owner's Manual page 421

The system cancels assisting operations when you turn the steering wheel to avoid
crossing over detected lane markings.
If the system operates several times without detecting driver response, the system
beeps to alert you.
uuWhen DrivinguRoad Departure Mitigation (RDM) System
1Road Departure Mitigation (RDM) System
If LKAS is off and you have selected Narrow from the
customized options using the audio/information
screen, the message below will appear in case the
system determines a possibility of your vehicle
crossing over detected lane markings.
2 Customized Features P. 297
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