Press and hold the GREEN button on the CK3000/DriveBlue unit for 2 seconds to redial last number called.
Dual call:
Upon hearing a 'beep' during conversation, manage the two calls from the phone.
Private mode:
During the conversation, press the GREEN button on the CK3000/DriveBlue to toggle between handsfree and private mode. Private mode routes the conversation through the phone.
