All collision warning lights come on, along with alert warning and check engine light when cruise control is turned on.
If the check engine light is on, there’s almost always a diagnostic code stored in the computer’s memory. Determining the code number is where to start. You are welcome to post the code here if you like for more ideas.
If it is still under warranty, get it a dealer quickly.
If not under warranty, if this is your best description to us, it still needs to visit the dealer.