PAC GM3A-RSTX GM Radio Replacement Interface
🚗 Upgrade Your GM Stereo Without Losing Important Factory Features. The PAC GM3A-RSTX GM Radio Replacement Interface simplifies aftermarket radio installation in select General Motors vehicles.
This GM radio replacement interface integrates compatible receivers with the factory 29-bit LAN data system.
Enjoy modern audio technology while preserving important factory entertainment, safety, and convenience functions.
🔊 Advanced Factory Feature Retention
The PAC GM3A-RSTX maintains supported factory equipment when replacing your original stereo.
Key features include:
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✅ Retains compatible OnStar functionality.
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✅ Preserves factory steering wheel audio controls.
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✅ Supports standard and premium Bose amplifiers.
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✅ Retains factory warning chimes.
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✅ Maintains compatible backup camera functionality.
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✅ Preserves rear parking assist features.
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✅ Retains compatible factory USB connections.
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✅ Supports factory satellite radio retention.
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✅ Maintains rear-seat audio controls.
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✅ Supports rear-seat entertainment with optional GMRVD adapter.
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✅ Provides retained accessory power (RAP).
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✅ Supplies illumination, reverse, parking brake, and vehicle speed outputs.
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✅ Includes an antenna adapter.
🎵 Keep Your Factory Bose Amplifier
Upgrade your stereo while maintaining compatible factory Bose audio equipment.
The interface supports standard and premium amplified systems.
Important: Premium Bose systems do not support audio fading through this interface.
🎛️ Retain Steering Wheel Controls
Maintain convenient volume, track selection, and other supported audio functions.
Preprogrammed controls simplify installation with compatible aftermarket receivers.
Optional programming supports short-press and long-press commands.
📞 Maintain Factory OnStar Features
Preserve supported OnStar communication functionality during your radio upgrade.
Compatible factory controls remain available after proper installation.
Active OnStar services may require a subscription.
🔧 Simplified Radio Installation
The GM stereo installation adapter connects compatible aftermarket receivers with supported vehicle electronics.
Its integrated design helps preserve factory connections and reduce installation complexity.
Professional installation is recommended for proper wiring and configuration.
🚙 Vehicle Compatibility
Designed for select 2006–2017 General Motors vehicles using compatible 29-bit LAN systems.
Applications include certain Chevrolet, GMC, Cadillac, Buick, and other GM models.
Compatibility depends on vehicle year, model, factory radio, and installed equipment.
Always verify exact fitment before purchasing.
🔊 Complete Your Audio Upgrade
Pair your aftermarket receiver with premium Car Speakers for improved sound quality.
Explore professional Car Window Tinting for additional comfort, privacy, and interior protection.
❓ Frequently Asked Questions
1. Does the PAC GM3A-RSTX retain factory OnStar?
Yes. It preserves supported OnStar functionality in compatible GM vehicles.
2. Does this interface retain steering wheel controls?
Yes. It includes preprogrammed steering wheel control retention for compatible aftermarket receivers.
3. Can I keep my factory Bose amplifier?
Yes. Compatible standard and premium Bose amplifiers are supported.
However, premium Bose systems do not support audio fading.
