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 173 (LIGHTING SYSTEMS)REPAIR INSTRUCTIONSEMERGENCY VEHICLE INTERIOR SWITCH REPLACEMENT (IMPALA)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 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Removing Emergency Vehicle Interior Switch

Courtesy of GENERAL MOTORS CORP.

Install the emergency vehicle interior switch through the back of the headlamp switch assembly by pressing the switch into place until fully seated.

Fig 2: Disconnecting Electrical Connector From Emergency Vehicle Interior Switch

Courtesy of GENERAL MOTORS CORP.

Connect the electrical connector to the emergency vehicle interior switch.

Fig 3: Headlamp Switch Assembly

Courtesy of GENERAL MOTORS CORP.

Install the headlamp switch assembly to the I/P.
NOTE: Refer to FASTENER NOTICE .
Install the headlamp switch assembly screws.
Tighten: Tighten the screws to 2 N.m (18 lb in).
Install the trim plate bezel. Refer to Trim Plate Replacement - Instrument Panel (I/P) (Impala) or Trim Plate Replacement - Instrument Panel (I/P) (Monte Carlo) .

RENDER: 1.0x

NO RELATED

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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.