{"product_id":"pac-radio-replacement-interface-for-2000-2013-gm-vehicles-retains-onstar-steering-wheel-controls","title":"PAC Radio Replacement Interface for 2000–2013 GM Vehicles — Retains OnStar \u0026 Steering Wheel Controls","description":"\u003cp\u003e\u003cstrong\u003eThe PAC radio replacement interface lets you swap an aftermarket head unit into many 2000–2013 GM vehicles while keeping OnStar, steering wheel controls and key OEM signals working.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhen replacing a factory radio in compatible Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab or Saturn vehicles, this PAC module preserves essential vehicle functions so your new stereo integrates cleanly with the car's electronics. It supports both amplified and non-amplified factory audio, preserves chimes and camera signals, and supplies navigation-related outputs installers expect.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this PAC interface work with?\u003c\/h3\u003e\n\u003cp\u003eThis interface supports a wide range of GM-platform vehicles from roughly model years 2000 through 2013. The compatibility list covers many common sedans, SUVs, trucks and vans so you can upgrade radios on older GM cars without losing features.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eBuick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Oldsmobile, Pontiac, Saab and Saturn models from 2000–2013\u003c\/li\u003e\n  \u003cli\u003eExamples include: Escalade, Tahoe, Silverado, Corvette, Colorado, Trailblazer, Envoy, H2\/H3, and many Buick and Pontiac models\u003c\/li\u003e\n  \u003cli\u003eFull application compatibility should be confirmed by year\/model and factory amplifier presence before purchase\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does it retain factory OnStar, chimes and steering wheel controls?\u003c\/h3\u003e\n\u003cp\u003eThe PAC module preserves OnStar functionality (voice and call features) and maintains OEM warning chimes, reverse camera trigger and other vehicle signals through its databus interface. Steering wheel button control is supported out of the box via pre-loaded software, removing the need for external reprogramming in most installs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOnStar voice\/functions retained (OnStar text not supported)\u003c\/li\u003e\n  \u003cli\u003ePre-configured steering wheel control software for plug-and-play setup\u003c\/li\u003e\n  \u003cli\u003eOEM chimes, reverse trigger and parking assist signals preserved\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this work with factory amplified Bose systems and aftermarket amplifiers?\u003c\/h3\u003e\n\u003cp\u003eYes — the interface accommodates both factory amplified Bose systems and non-amplified factory audio. For aftermarket amps or digital signal processors, an optional TOSLINK digital output accessory provides a clean, noise-free digital feed.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSupports Bose factory amplifier retention\u003c\/li\u003e\n  \u003cli\u003eCompatible with non-amplified OEM systems as well\u003c\/li\u003e\n  \u003cli\u003eOptional APA-TOS1 adapter adds optical digital output for aftermarket DSP\/amps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installer-friendly outputs and update options are included?\u003c\/h3\u003e\n\u003cp\u003eThe unit exposes the navigation and vehicle signals installers need: vehicle speed, reverse trigger, parking brake, illumination and retained accessory power. Firmware is user-updatable through PAC’s RadioPRO PC application for future compatibility improvements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRetained accessory power (RAP), vehicle speed sensor (VSS) and reverse trigger provided\u003c\/li\u003e\n  \u003cli\u003eIllumination and parking brake outputs for aftermarket head units\u003c\/li\u003e\n  \u003cli\u003eUSB-updateable firmware via RadioPRO (PAC-UP sold separately)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: installers and DIYers upgrading the factory radio in older GM-platform vehicles who want to keep crucial OEM features — like OnStar voice, steering wheel controls, factory chimes, backup camera feed and amplified Bose audio — intact. Choose this PAC interface when you need a reliable databus solution that minimizes wiring changes and preserves vehicle functions during an aftermarket radio install.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this PAC interface keep OnStar working?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it retains OnStar voice and call functions but does not retain OnStar text messages.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I keep my steering wheel audio controls?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Pre-loaded steering wheel control software retains factory audio controls without extra programming.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"PAC","offers":[{"title":"Default Title","offer_id":67585006403769,"sku":"B00DHUA9VA","price":311.26,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/pac-front-module-photo.jpg?v=1790463220","url":"https:\/\/redleafauto.ca\/products\/pac-radio-replacement-interface-for-2000-2013-gm-vehicles-retains-onstar-steering-wheel-controls","provider":"Redleaf Auto","version":"1.0","type":"link"}