Keyless Entry Transmitter Battery: Service and Repair

2004 Mitsubishi Diamante V6-3.5L SOHCSECTION Service and Repair
ON VEHICLE SERVICE




REPLACING THE BATTERY
1. Remove the set screw to remove the battery from the transmitter.
2. Insert a new battery with the + side down.

Replacement battery: Lithium battery CR2032

3. Insert the claw first, and with care not to displace the 0-ring, assemble the transmitter.

CAUTION: Be careful not to deform the battery electrodes when replacing, ensure that water and dirt do not enter, and that you do not directly touch the printed circuit board.

4. Check to see if the keyless entry system operates.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.