Part Number: 13545328 (replaces older part number 13530910).
Part Name: Keyless Entry Antenna / Low-Frequency Antenna Assembly.
Function: Receives radio signals from the key fob to allow for hands-free door unlocking and vehicle starting.
Placement: Varies by vehicle but common locations include the rear bumper, rear body, or hood storage compartment (in EVs).
Vehicle Compatibility
This antenna is used extensively across 2020–2025 model year GM vehicles:
Buick: Envision (2021–2025), Terrain (2025).
Cadillac: CT4 (2020–2024), CT5 (2020–2025), Lyriq (2023–2024), Escalade/Escalade IQ (2021–2025), Optiq (2025).
Chevrolet: Silverado EV (2024–2025), Tahoe (2025), Suburban (2025), Blazer EV (2024).
GMC: Yukon / Yukon XL (2021–2025), Sierra EV (2024–2025).