2014 Cadillac CTS Owner Manual - Page 150

5-36 Instruments and Controls HUD Troubleshooting Check that: . Care of the HUD Clean the inside of the windshield to remove any dirt or film that could reduce the sharpness or clarity of the HUD image. Clean the HUD lens with a soft cloth sprayed with glass cleaner. Wipe the lens gently, then dry it. Vehicle Messages Messages displayed on the DIC indicate the status of the vehicle or some action that may be needed to correct a condition. Multiple messages may display one after the other. The messages that do not require immediate action can be acknowledged and cleared by pressing SEL. The messages that require immediate action cannot be cleared until that action is performed. All messages should be taken seriously and clearing the messages does not correct the problem. The following are some of the vehicle messages that may be displayed depending on the vehicle content. Nothing is covering the HUD lens. HUD brightness setting is not too dim or too bright. HUD is adjusted to the proper height. Polarized sunglasses are not worn. Windshield and HUD lens are clean. . . . . If the HUD image is not correct, contact your dealer. The windshield is part of the HUD system. See Windshield Replacement on page 10-29.