(Seek Up) button for 4 seconds to access a hidden menu and select Handsfree Module > Unlock Maintenance Light
How to Reset a Mitsubishi Multi Communication System (MMCS) The Mitsubishi Multi Communication System (MMCS) integrates audio, navigation, and vehicle settings into one dashboard touchscreen. Like any computer, the MMCS can experience software glitches, frozen screens, Bluetooth pairing failures, or inaccurate GPS tracking. A system reset clears temporary bugs and restores normal functionality.
: This requires a specific "Navigation Soft" system reset CD to reload the firmware. These discs are often hardware-specific based on whether the unit was made by manufacturers like Sumitomo Electric. When All Else Fails: Hardware Resets
If the touchscreen is unresponsive, a factory reset may require dealer tools or manual procedures (see below). mitsubishi multi communication system reset
If the screen is unresponsive or frozen, you can try these physical methods: Reset Button
This is common for newer Mitsubishi vehicles where the maintenance schedule is integrated into the infotainment system.
Sometimes, a standard reset won't fix the issue, indicating a deeper problem. Here are some common scenarios and what they might mean. (Seek Up) button for 4 seconds to access
A soft reboot restarts the MMCS operating system without deleting your saved radio stations, navigation favorites, or paired smartphones. Use this method if your screen freezes or the audio cuts out. Step-by-Step Soft Reboot
Press the and the fast-forward (seek track top) symbol simultaneously for about 4–5 seconds, as shown in this tutorial . A secret service menu will appear. Select "Handsfree Module." Select "Unlock" or "Reset Settings."
Using a wrench, loosen the nut on the (usually marked with a black cap or minus sign). : This requires a specific "Navigation Soft" system
Press the physical or SETTINGS button on the unit frame. Tap the System or Equipment option on the touchscreen. Select Initialize or Factory Reset from the menu list. Confirm the action by selecting Yes or OK when prompted.
The Mitsubishi Multi Communication System (MMCS) serves as a central hub for navigation, audio, and vehicle settings. While generally reliable, users often need to perform a reset to resolve issues like Apple CarPlay/Android Auto glitches, frozen screens, or Bluetooth pairing failures. Standard Reset Procedures
Select or "Default Settings," as shown in this video demonstration . Confirm the action. The system will restart. ⚠️ WARNING: This will permanently delete: Saved Bluetooth devices and pairing history. Saved navigation favorites and destinations. Custom sound profiles (equalizer settings). Music stored on the internal HDD. 3. Advanced Reset: Hard Reset (Disconnecting the Battery)