GMC 2010 Terrain Owner's Manual page 197

2. Select the Bluetooth submenu.
3. Select the Device List submenu.
4. Select the phone to be deleted
and then follow the on screen
prompts to delete the device
from the system.
Infotainment System
5. Once a phone has been deleted,
the only way to connect back to
that phone is to pair the phone
again. See Bluetooth Pairing
earlier before the process is
started.
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