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 996 (PERSONALIZATION SYSTEMS)DESCRIPTION AND OPERATIONDRIVER PERSONALIZATIONPROGRAMMING FEATURES ON VEHICLES WITH KEYLESS ENTRY WITHOUT DICENTER PROGRAMMING
2002 Chevrolet Avalanche 2500, RWD
Enter Programming
2002 Chevrolet Avalanche 2500, RWDSECTION Enter Programming
WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
To enter the programming mode, perform the following actions:
- Turn the ignition to RUN.
- Place the vehicle in PARK.
- Ensure that the season odometer is visible.
- Press and hold the TRIP/RESET button on the instrument panel for two seconds.
The PROGRAM MODE illuminates on the I/P providing the status.
- Press the LOCK button on the keyless entry transmitter to designate the driver for this session of personalization. The driver number is confirmed by chimes.
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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.