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 DIAGNOSIS (SINGLE PAGE)BODY & FRAMEDOOR LOCKSKEYLESS ENTRY SYSTEMREPAIR INSTRUCTIONSTRANSMITTER BATTERY REPLACEMENTREMOVAL PROCEDURE

2002 Chevrolet Avalanche 2500, RWD

Removal Procedure

2002 Chevrolet Avalanche 2500, RWDSECTION Removal Procedure

Under normal use, the battery in the transmitter will last about 2 years. For battery replacement, use a Panasonic® 3 volt, type CR2032, or equivalent.

Fig 1: Opening Transmitter Case

Courtesy of GENERAL MOTORS CORP.

Open the transmitter case and perform the following steps:
1. Insert a dime between the 2 halves of the transmitter near the key ring hole.
2. Twist the dime.

Fig 2: View Of Transmitter Battery

Courtesy of GENERAL MOTORS CORP.

Remove the battery.

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.