CoSTAR Technologies manufactures cutting edge blue tooth automotive products for GM vehicles.
The BlueSTAR 2010 replaces the onstar module in 2003+ GM vehicles, and allows a fully seamless, integrated hands free car kit, that uses the onstar microphone, mirror buttons, steering wheel controls, and on some models can display caller ID information on the Driver Information Center Display.
The device is USB upgradeable and upgrades are always free of charge available for download from our desktop website.
Thanks for your interest !!!