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 MANUALSCHEVROLET2003TRAILBLAZER 4.2 S, 4WDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1611 (PERSONALIZATION SYSTEM)DESCRIPTION AND OPERATIONDRIVER PERSONALIZATIONHEADLAMP DELAY
2003 Chevrolet TrailBlazer 4.2 S, 4WD
Headlamp Delay
2003 Chevrolet TrailBlazer 4.2 S, 4WDSECTION Headlamp Delay
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Avalanche, and 2002 Cadillac Escalade EXT. 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 headlamp delay feature:
- The SIC displays HEADLAMP DELAY: NONE, 10, 20, 30, 60, 120, or 180.
- Press the arrow button on the SIC in order to select the desired choice.
- Press the MENU button in order to advance to the next option.
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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.