2007 Saturn ION L4-2.0L SCFACTORY OEM SERVICE PROCEDURE

Keyless Entry Transmitter Battery: Service and Repair



Transmitter Battery Replacement

Removal Procedure

Factory service manual diagram





Important: The normal battery life is approximately 2 years. Replace the batteries when the range of the transmitter begins to decrease to less than approximately 7 meters (23 ft).

1. Open the transmitter case (6,4).

1. Insert a small flat-bladed tool between the 2 halves of the transmitter case (6, 4) at the slot provided near the key ring hole (5).
2. Twist the tool in order to open the case.

2. Remove the battery (2).

Installation Procedure

Factory service manual diagram



1. Use a 3-volt CR2016 battery or the equivalent. Install the battery (2) with the positive side up.
2. Close the transmitter case (6, 4).
3. Ensure that the seal is in position. Align the 2 halves of the case (6, 4) and snap the halves together.
4. Verify the operation of the transmitter.
Factory Service Tools

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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.

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