Cadillac CT4 2023 Owner's Manual page 331

330 Driving and Operating
Subscription Required Press OnStar Button
Unavailable Turn on Adaptive Cruise Control
Unavailable Lane Ending
Unavailable No Road Information
Super Cruise Message Summary
Adaptive Cruise Control must be on before Super Cruise can
be enabled.
Super Cruise is disabled because the driving lane is ending.
The owner s required Connected Services subscription
may have ended.
Press the Blue OnStar button in your vehicle to speak
with an OnStar representative, who can help determine
the issue and what actions to take
Set speed is not required before enabling Super Cruise.
Adaptive Cruise Control is not required to be engaged
before enabling Super Cruise.
There is no map information available for that portion of
the road. Recent road reconstruction may turn off Super
Cruise for that section of road until new map information
is available.
The vehicle is not on the correct type of road.
A controlled access freeway or compatible divided
highway is required for Super Cruise.
There are lanes entering or exiting on both the left and
right side of the road.
The vehicle is approaching an interchange or intersection.
The message will appear for 10 seconds or less.