| Trouble in HUD power supply system (Communication with the M.U.T.-IIISE is not possible.) | 1 |  |
| The combiner does not work, open or close normally even if combiner open/close switch is operated. | 2 |  |
| The position of the combiner display area cannot be adjusted even if the angle adjustment switch is operated. | 3 |  |
| The position of the combiner display area cannot be adjusted even if the angle adjustment switch is operated. | 4 |  |
| Nothing is displayed in the combiner display area (HUD can be activated.) | 5 |  |
| Part of information is not displayed correctly in the combiner display area (HUD can be activated.) | 6 |
| Auto lamp control function does not work. | 7 |  |
| Does not switch to the setting screen. <Vehicles with MMCS> | 8 |  |
| Brightness decreases. | 9 |  |