What does the word "CERTIFIED" mean in the description of some of the vehicles in our Pre Owned Inventory?

All vehicles subject to prior sale. The dealer advertised pricing does not include government fees finance charges or any dealer document preparation charge.  It is the customer's sole responsibility to verify the existence and condition of any equipment listed. The dealer is not responsible for misprints on prices or equipment. It is the customer's sole responsibility to verify the accuracy of the prices with the dealer. Pricing subject to change without notice.