A red light (circle with exclamation mark) after starting if it stays on, indicates that something is wrong with the brakes. First check that the parking brake is applied, if the parking brake is lowered it is likely that there is a lack of brake fluid. go to the master to determine the fault. A vehicle with this message is not safe to drive until the fault has been rectified.
RECOMMENDATION, TRANSPORT THE VEHICLE TO A MECHANIC TO DETERMINE THE DEGREE OF MALFUNCTION.