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A beep will sound, and the screen will shift to a gray screen.
Locate the physical (Power) volume knob on the MMCS unit. Press and hold down the PWR knob for 10 to 15 seconds.
Press and hold the Settings and Map buttons together for at least 4 seconds.
Resetting the battery will also reset your power window memory, clock, and trip computer. Keep your radio code handy if your model requires one.
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Press and hold the volume or power button for 10–15 seconds .
Some older MMCS units require a specific button combination to enter the "Service Menu": Hold the and SET buttons simultaneously for 5 seconds. A hidden service menu will appear. Select Memory Initialization .
If the MMCS is completely frozen and the screen does not respond to the soft reset method, you may need to cut power to the system. Open the hood and find your car battery.
Press and hold the down for approximately 10 to 15 seconds. A beep will sound, and the screen will
A hard reset will erase all saved data, including navigation settings, Bluetooth devices, and personalized preferences.
Before booking a costly dealership visit, performing a system reset can often solve these glitches. Here is the complete guide to resetting your MMCS.
Select Info/Set > Settings > scroll right and select Reset All . 3. Password or Bluetooth PIN Reset
Turn on the vehicle ignition. The MMCS will initiate a fresh cold boot sequence. Troubleshooting Common Post-Reset Issues Prompting for a Security PIN / Anti-Theft Code Press and hold the Settings and Map buttons
Remove the negative cable from the battery post and set it aside safely, ensuring it does not touch any metal.
Some European and Australian market Mitsubishi models require a security PIN code after the battery has been disconnected. Check your vehicle's owner manual portfolio for a security card containing this 4-digit code.
This is the most common and non-intrusive method. Simply turn your vehicle off, open and close the driver's door, and wait for a few minutes. This allows the system's capacitors to drain, effectively performing a soft reset. After waiting, restart the car to see if the issue is resolved.
If your MMCS asks for the time and date every time you start the car, the issue is likely a dead CMOS battery (CR2032) on the motherboard inside the unit. A system reset will not fix this; the internal battery needs to be replaced by a technician.
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