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 MANUALSBUICK2006TERRAZA CXL, 3.5 L, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 84 (CELLULAR COMMUNICATION SYSTEMS)REPAIR INSTRUCTIONSCOAXIAL CABLE REPLACEMENT - GLOBAL POSITIONING SYSTEM (GPS) (INSTRUMENT PANEL EXTENSION CABLE)INSTALLATION PROCEDURE
2006 Buick Terraza CXL, 3.5 L, AWD
Installation Procedure
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Installation Procedure
WARNING: This page is about a different car, the 2006 Buick LaCrosse and 2006 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- Route the antenna extension cable. Secure the cable.
- Connect the antenna extension cable to the communication interface module.
- Install the left I/P insulator. Refer to Closeout/Insulator Panel Replacement - Left in Instrument Panel, Gages and Console.
- Connect the antenna extension cable from the module to the antenna cable.
- Install the left I/P outer trim cover.
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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.