While using a few loaner and rental vehicles with equipped with BT (cell phone) and A2DP (Music) AKA: CarPlay. They work great but can be finicky. Often times it’s easier to just plug the phone into the charge port to link the BT / A2DP vs going through the link process for a 5 min drive.
Updating the (plug n play) 2011 VCIM to our 09, already equipped with BT, was an instant value add. Subscribing to OnStar for access to Cell phone control of…
Remote Start.
Lock / Unlock.
Vehicle locate.
Flash lights
Sound horn.
Upload destination from cell to truck Navi.
Boundary alerts (for teens).
Instant vehicle diagnostics / alerts.
After pricing aftermarket products to do the above; the install, components and subscription costs never had a break even since OnStar also includes …
24/7 Humans
Crash response
Tow / Emergency service.
Amp’d Cell antenna service for the Sticks.
Biggest Geo location service.
Live Concierge services for loading ANYTHING into your Navi like Coffee, Mickey D’s or I’m lost in downtown LA (GMTF outta here).
Back to music BT. The actual benefit to the GMT900 is the ability to easily OEM+ upgrade it. Until it’s perfected, keep BT music steaming separate. Bose 5v AD2P is bulletproof and seamlessly links on every start up, always shakes hands with the factory BT mute and A/C fan speed reduction. It also allows apps like Waze to run / announce while Pandora is Playing music.
Looking into this product as a workaround for adding another input to remove the plug from the front Aux port the Bose A2DP currently uses for integration. To date, I’ve not been able to get the Escalade 2014 SD card Navi unit to link to my phone with its Aux cord from the back of the unit.