Here are some examples of symbols and the situations in which they are shown:
Available — the lane lines in the symbol are WHITE.
Lane assistance is scanning one or both lane lines.
Unavailable — the lane lines in the symbol are GREY.
The Lane assistance cannot detect the lane lines, the speed is too low or the road is too narrow.
Indication of steering assistance/warning
Steering assistance/warning - the lane lines in the symbol are COLOURED.
Lane assistance indicates that the system is giving a warning and/or attempting to steer the car back into the lane.