Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET2002AVALANCHE 2500, RWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 605 (REMOTE KEYLESS ENTRY SYSTEM)REPAIR INSTRUCTIONSTRANSMITTER BATTERY REPLACEMENTINSTALLATION PROCEDURE
2002 Chevrolet Avalanche 2500, RWD
Installation Procedure
2002 Chevrolet Avalanche 2500, RWDSECTION Installation Procedure
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
- Install the battery (2) with the positive (+) side down.
Use one 3 V CR2032 battery (or the equivalent).
- Close the transmitter case (6, 4).
- Ensure that the seal is in position. Align the two halves of the case and snap the two halves together.
- Reprogram the transmitter. Refer to Transmitter Programming .
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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.