Touch screen maintenance
If you clean the display screen, use a dry, soft cloth. If additional cleaning is necessary, use a small amount of neutral detergent with a soft cloth. Never spray the screen with water or detergent.
Dampen the cloth first and then wipe the screen.
See also:
Troubleshooting guide
The system should respond correctly to all voice
commands without difficulty. If problems are encountered,
follow the solutions given in this guide
for the appropriate error.
Where the solution ...
Activating Alternate Command Mode
1. Press the SETTING button on the instrument
panel.
2. Select the “Others” key on the display.
3. Select the “Voice Recognition” key.
4. Select the “Alternate Command Mode” key.
...