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
Cruise Control Component Views
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.
| Callout | Component Name |
|---|---|
| 1 | Steering Wheel Audio Controls - Left |
| 2 | Passlock Sensor Connector |
| 3 | Ignition Key Alarm Switch |
| 4 | Ignition Lock Cylinder Control Actuator |
| 5 | Ignition Lock Cylinder Control Actuator Connector |
| 6 | Ignition Switch |
| 7 | Ignition Key Cylinder |
| 8 | Steering Wheel Audio Controls - Right |
| 9 | Horn Switch |
| 10 | Steering Wheel Driver Information (DIC) Controls - Right |
| 11 | C277 |
| 12 | Steering Wheel Driver Information Center (DIC) Controls - Left |
| 13 | Turn Signal/Multifunction Switch |
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.