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.
2003 Hummer H2FACTORY OEM SERVICE PROCEDURE
Display Language
WARNING: This page is about a different car, the 2004 Hummer H2. 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 language displayed:
- The DIC displays DISPLAY LANGUAGE: ENGLISH, FRENCH, or SPANISH.
- Press the select button in order to scroll through the above choices.
- Press the personalization button in order to select the displayed choice and to advance to the next option.
- If the vehicle does not have the personalization button, use the trip stem to toggle to the season odometer display and then press and hold the trip stem to cycle through the languages and release it when the language of choice is displayed.
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.