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Small black rectangular electronic module with multiple wire connectors and a USB port

METRA

METRA GMOS-LAN-06 OnStar interface for 2006-2007 Saturn vehicles

SKU CH-DC1X-ZF2S7 MPN GMOS-LAN-06

An OnStar interface that retains safety chimes and accessory power for 2006-2007 Saturn vehicles with adjustable volume

  • Product typeCar Stereo Add-Ons
  • Key featuresOnStar Interface for Select 2006-2007 Saturn Vehicles with o
  • Retains OnStar system functionality in 2006-2007 Saturn vehicles
  • Works with or without factory amplifiers for flexible installation
  • USB interface allows firmware updates for future compatibility
  • Retained accessory power convenience features stay operational
  • Adjustable OnStar volume output for personalised listening levels

OnStar Interface for 2006-2007 Saturn Vehicles

The Metra GMOS-LAN-06 is a dedicated data-bus interface that lets you replace the factory radio in select 2006-2007 Saturn models with an aftermarket head unit. It preserves the vehicle's OnStar system, all safety chimes and warning tones, and the retained accessory power convenience features. The module works on vehicles with or without a factory amplifier and includes an adjustable OnStar volume output.

Passive Interface — No Power Draw or Noise

This interface connects directly to the vehicle's GMLAN data bus and requires no external power supply, cooling or moving parts. It adds zero audible noise, generates no heat and draws no measurable current beyond the data-line signalling. Installation is a simple plug-in behind the dash with no configuration required for normal operation.

USB-Updateable Firmware for GMLAN Compatibility

The single specification that determines fitment is the USB-updateable firmware, which ensures the module stays compatible with the GMLAN data-bus protocol used in the listed Saturn vehicles. Without this update path the interface could lose OnStar and chime functionality if the vehicle's bus behaviour changes. Builders who need an interface for non-GMLAN platforms or for model years outside 2006-2007 cannot use this part.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $89.99
Pricier than about 81% of the 2,768 comparable items (median $21.99).

Specifications

Product
Brand nameMetra
Model nameGMOS-LAN-06
Product typeCar Stereo Add-Ons
Size & build
Shipping weight0.16 kg
Package size89 × 79 × 64 mm

Questions about this item

How do I install the GMOS-LAN-06 and keep the OnStar volume adjustable?

Connect the interface to the vehicle's GMLAN data bus harness behind the dash, then use the USB update port to load the latest firmware before finalising the install; the OnStar volume is set via the interface's onboard adjustment after power-up.

What part of the GMOS-LAN-06 will need attention or replacement after extended use?

The USB update port and internal flash memory handle firmware revisions; if future vehicle updates change the data-bus protocol, a firmware reload via USB is the only maintenance the interface itself requires.

What limit appears first when the GMOS-LAN-06 runs continuously during long drives?

The interface draws minimal current from the retained accessory power circuit, so the vehicle's accessory-power time-out — not the module — is the first limit encountered during extended key-off operation.

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