How can I remove a message 'WAIT' off from the radio/navigator screen? on 2002 Mercedes-Benz ML500

Somehow this message 'WAIT' came on the screen therfore cannot operate the radio.I have the security code but cannot insert it with this message. Followed through the manual but it not going off.

Thanks.

Mumin

Get Your Car Fixed at a RepairPal Certified Shop.
We certify shops based on expertise, quality work, and verified customer reviews
0 answers