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.

2004 Chevrolet Impala LSFACTORY OEM SERVICE PROCEDURE

Keyless Entry Antenna Replacement

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.

Fig 1: Locating Keyless Entry Antenna

Courtesy of GENERAL MOTORS CORP.

Callout

Component Name

Fastener Tightening Specifications: Refer to Fastener Tightening Specifications .

Preliminary Procedure

Remove the rear seat cushion. Refer to Seat Cushion Replacement - Rear .
Remove the rear seat back. Refer to Seat Back Replacement - Rear (Non-folding) or Seat Back Replacement - Rear (Folding) .
Remove the rear quarter upper trim panel. Refer to Trim Panel Replacement - Rear Quarter Upper .
Remove the rear window shelf trim panel. Refer to Trim Panel Replacement - Rear Window Shelf .

Remote Control Door Lock Receiver Antenna Assembly
Tip: Disconnect the antenna from the door lock receiver.

Factory Service Tools

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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.