2009 Cadillac STS-V Owner's Manual - Page 199

The Ignition is On and the HUD Image Cannot Be Seen Check to see if: The HUD unit is covered. The brightness is adjusted properly. The HUD display is adjusted to the proper height. Ambient light in the direction the vehicle is facing is low. page 5-123. When the Speed Advisor feature is turned on, HUD displays either the posted or advisory speed as determined by the information on the map disc in the navigation system. To turn the Speed Advisor on or off, see DIC Operation and Displays on page 3-72. The Speed Advisor can be set to show a speed alert when the vehicle speed exceeds the speed alert limit as set in the DIC menu. Depending on the level of the HUD on the vehicle, your HUD may work like either of the following: • The HUD speedometer will turn red when the vehicle speed exceeds the speed alert limit. When the vehicle speed is at or below the alert limit and above the posted speed or advisory speed, the speedometer turns yellow. If the Speed Alert setting in the DIC is set to AT LIMIT, the speedometer will not turn yellow. When the vehicle speed is at or below the posted speed or advisory speed, the speedometer remains green. • A fuse is blown. See Fuses and Circuit Breakers on The windshield is part of the HUD system. See Windshield Replacement on page 5-52. The following messages may appear in the HUD: SPEED ALERT • The HUD speedometer will turn yellow when the vehicle speed exceeds the speed alert limit. When the vehicle speed is at or below the alert limit, the speedometer remains green. Posted Speed Advisory Speed 3-45