Toyota C-HR 2019 Quick Reference Manual page 29

Press the LDA switch to turn the LDA system on. Depress again to turn it off.
Note: The system will continue in the last state it was in (ON or OFF) when the
engine is started again.
Refer to a Toyota Owner's Manual for additional information on LDA operation,
settings adjustments, limitations, and precautions before attempting to use it.
LANE DEPARTURE ALERT
LDA function display
Steering assist indicator
Lane marker
LDA indicator
(2)
(1)
27