3 months / 3 GB from AT&T. YES, you have to activate it.
Weather and Traffic varies by model of the radio, and model year.
Connected Car subscription would have to be activated as well (dealer did mine), but they will not activate a hotspot thru AT&T.
Check vehicle compatibility and free trial eligibility, purchase and manage your AT&T Connected Car data plan. Existing subscribers can log in to view their current plan, monitor data usage and manage their accounts. Upgrade to a plan that’s right for you and shop premium entertainment...
myvehicle.att.com
The 22's have some activation issues with the hotspot at the moment.