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.
Automatic Door Locks
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Automatic Door Locks
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
Continue with the following steps in order to program the automatic door locks:
- Select Set Options.
- Select Driver #1 Automatic Door Lock Mode or Driver #2 Automatic Door Lock Mode.
- Highlight the desired mode from the following choices, refer to Automatic Door Locks for mode descriptions:
- Mode 0
- Mode 1
- Mode 2
- Mode 3
- Mode 4
- Mode 5
- Press the ENTER button to select a mode. An asterisk appears beside the current mode. You must turn the current mode OFF before you can turn another one ON.
- Exit from the menu.
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.