Display Day/Night Mode Does Not Work

Display day/night mode does not work

NOTE:
- Make sure the remotes are linked. This is indicated when the MID displays "Welcome Driver 1" or "Welcome Driver 2." If the remotes are not linked, refer to the Owner's manual for more information.
- Always check the connectors for poor connections or loose terminals.
- Before troubleshooting, get the navigation system anti-theft codes.
- After troubleshooting, enter the navigation system anti-theft codes.

1. Change the day/night mode to auto mode under Set-up, and recheck. Turn the headlights on, and adjust the dash brightness to the middle range.

Does the display change to day and night modes When turning the headlights on and off?

YES - The system is OK at this time.

NO - Go to step 2.

2. Go into the Diagnostic Mode, and use the "Car Status" diagnostic to check for an ILL signal.

Is the "ILL" signal OK?

YES - The system is OK.

NO - Check the ILL+ circuit for an open or short to ground between the navigation unit and small light relay. If OK, substitute a known-good navigation unit and recheck.