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.
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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.
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