Why is the check CD coming up on the radio display of a 2001 pontiac sunfire?

The "check CD" message on the radio display of a 2001 Pontiac Sunfire typically indicates that there is an issue with the CD player. This could be due to a malfunctioning CD, debris in the CD slot, or a problem with the player itself. To troubleshoot, try removing any CDs, cleaning the slot, or checking for any error codes. If the problem persists, it may require professional repair or replacement.