This warning information ... set of green and blue lights are there simply to let you know that certain functions are active. Green "Cruise Main" and "Cruise Control" text symbols tell you those ...

Despite spending hours behind the wheel, most drivers remain clueless about certain dashboard warning symbols. One such mystery is the “boat-like” symbol that confounds 80% of drivers.

Modern vehicles also have dashboard warning ... its symbol lights up. The lane centering icon changes colors. While active but on standby it glows gray, but it turns to blue once it's working ...