Chrysler 2016 200 Owner's Manual page 216

214 UNDERSTANDING THE FEATURES OF YOUR VEHICLE
LaneSense Warning Button
To turn the LaneSense system ON, push the LaneSense
button (LED turns off). A "Lane Sense On" message is
shown in the Driver Information Display (DID).
Lane Sense On Message
To turn the LaneSense system OFF, push the LaneSense
button once to turn the system OFF (LED turns on).
NOTE: The LaneSense system will retain the last system
state ON or OFF from the last ignition cycle when the
ignition is changed to the ON/RUN position.