Maestro - APXS8GM4 - APX 8" radio installation kit for select GM vehicles

• Model: APXS8GM4
• Kit Type: Dash & wiring installation kit for 8" APX-style floating head units
• Compatible Vehicles: Select 2014–2020 GM vehicles with factory 8" screen
• Required Module: Maestro RR2 interface module (sold separately)
• Material: High-grade ABS plastic
• Finish: Factory dash texture and color matched
• Retained Factory Features (if present):
 • OnStar ® & Bluetooth hands-free
 • Steering wheel audio controls (including 2 function buttons + expanded radio capabilities)
 • Factory climate display & controls accessible via the head unit touchscreen
 • Backup camera with dynamic parking guidelines & park assist chimes
 • USB port retention
 • Secondary vehicle display (if equipped)
 • Retained Accessory Power (RAP) & factory warning chimes
• Additional / Added Features:
 • Display of vehicle information (battery voltage, tire pressure, door status)
 • Selectable performance gauges (“Track Pack” style)
 • Read / Reset diagnostic trouble codes (check engine)
• Power / Signal Outputs Provided:
 • 12 V / 15 A accessory power output
 • Illumination / dimmer output
 • Reverse, parking brake, and VSS (vehicle speed sensor) signal lines
• Kit Contents / Included Items:
 • Mounting brackets and bezel components
 • Vehicle interface / wiring harness
 • B-HRN-S8 harness
 • External chime module
 • Ribbon / USB hub
 • Antenna adapter
 • Screws, nuts, washers, cable ties, trim pieces, 3M tape, pry tool