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.
2010 Hummer H3T AlphaFACTORY OEM SERVICE PROCEDURE
Exit Programming
WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
The DIC will resume normal operation approximately 15 seconds after the last feature has been personalized. Perform one of the following actions to end the programming before the list is complete:
- Press the FUEL button, the GAGES button, or the TRIP button on the DIC.
- Shift the vehicle out of PARK.
- Turn the ignition from the RUN position.
Factory Service Tools
Use the Manual With the Right Hardware
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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.