Keyless Entry Transmitter Battery: Service and Repair

2004 Mitsubishi Galant V6-3.8L (6G75)SECTION Service and Repair
HOW TO REPLACE THE TRANSMITTER BATTERY

CAUTION: Do not allow water or dust to enter the inside of the transmitter when it is opened. Also, do not touch the precision electronic device.




1. Remove the set screw to remove the battery from the transmitter.
2. Install a battery with its (+) side face-down.

Battery required for replacement: Coin type battery CR2032

3. Insert the claw first, and reassemble the transmitter.
4. Verify that the keyless entry system operates.
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

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.