Introducing the PAC Onstar Interface for 03-07 CTS & 04-06 SRX—the smart solution that keeps OnStar connected when you upgrade your factory radio. This industry-leading interface bridges your vehicle's data bus with aftermarket audio, letting you enjoy modern entertainment without losing critical safety and convenience features.
Carefully engineered for Cadillac CTS models from 2003 to 2007 and SRX models from 2004 to 2006, the PAC Onstar Interface preserves the full OnStar experience. Use aftermarket head units while maintaining hands-free calling, voice prompts, vehicle diagnostics, and emergency assistance.
- Maintains OnStar functionality with aftermarket stereos
- Preserves hands-free calling, voice prompts, and emergency SOS services
- Compatible specifically with 2003-2007 CTS and 2004-2006 SRX models
- Engineered for straightforward wiring integration with your factory harness
- Protects factory features and vehicle communications during upgrades
Upgrade your in-car experience without sacrificing safety or convenience. The PAC Onstar Interface is the professional-grade choice for confident radio upgrades that keep your CTS and SRX connected the moment you turn the key.
