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 MANUALSCHEVROLET2006SUBURBAN C2500, 6.0 UREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 685 (KEYLESS ENTRY SYSTEM)DESCRIPTION AND OPERATIONKEYLESS ENTRY SYSTEM DESCRIPTION AND OPERATIONLOCK ALL DOORS
2006 Chevrolet Suburban C2500, 6.0 U
Lock All Doors
2006 Chevrolet Suburban C2500, 6.0 USECTION Lock All Doors
WARNING: This page is about a different car, the 2006 GMC Sierra and 2006 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Pressing the lock button will:
- Lock all of the doors.
- Turn the interior lamps on for 2 seconds.
- Turn the puddle lamps on (if equipped) for 2 seconds.
- Arm the content theft deterrent (CTD) system (if equipped).
Press the LOCK button again within 3 seconds of the first press in order to perform the following functions:
- Chirp the horn.
- Turn the interior lamps on for 2 seconds.
- Turn the puddle lamps on (if equipped) for 2 seconds.
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.