Cadillac CT6 Owner Manual (GMNA-Localizing-U.S./Canada-9235592) -2016 - crc - 11/6/15146 Instruments and ControlsMetricEnglishPerformance View : This displaysthe speedometer reading, rpmreading, transmission positions, andgear shift indicator.Care of the HUDClean the inside of the windshield toremove any dirt or film that couldreduce the sharpness or clarity ofthe HUD image.Clean the HUD lens with a soft clothsprayed with glass cleaner. Wipethe lens gently, then dry it.HUD TroubleshootingCheck that:. Nothing is covering theHUD lens.. HUD brightness setting is nottoo dim or too bright.. HUD is adjusted to the properheight.. Polarized sunglasses arenot worn.. Windshield and HUD lens areclean.If the HUD image is not correct,contact your dealer.The windshield is part of the HUDsystem. If the windshield needsreplacing, see WindshieldReplacement 0 287.Vehicle MessagesMessages displayed on the DICindicate the status of the vehicle orsome action that may be needed tocorrect a condition. Multiplemessages may display one after theother.The messages that do not requireimmediate action can beacknowledged and cleared bypressing SEL. The messages thatrequire immediate action cannot becleared until that action isperformed. All messages should betaken seriously and clearing themessages does not correct theproblem.The following are some of thevehicle messages that may bedisplayed depending on the vehiclecontent.