Keyless Entry Transmitter Battery: Service and Repair

2005 Chevrolet Blazer 4WD V6-4.3L VIN XSECTION Service and Repair


TRANSMITTER BATTERY REPLACEMENT

REMOVAL PROCEDURE




1. Insert a small coin between the 2 halves of the transmitter case at the slot provided near the key ring hole.
2. Twist the coin in order to open the case.
3. Open the transmitter case.




4. Remove the battery.

NOTE: Refer to Handling ESD Sensitive Parts Notice in Service Precautions.

INSTALLATION PROCEDURE




1. Install the battery with the positive (+) side up.Use one 3 V CR2032 battery (or the equivalent).
2. Ensure that the seal is in position. Align the 2 halves of the case and snap the two halves together.
3. Resynchronize the transmitter. Refer to Transmitter Synchronization.
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.