Control Panel for Telephone to police went out after 500 miles on brand new GLI The unit is control module for the Car Net, and call for police for emergency..The unit cost is $643.50 (per dealer in area} and they are all our of stock due to the many units that are defective and go out as soon as they are used. The number of the unit is 5WA035283. All DEalers in the area are out of stock because so many of these units are defective. I am told that it will take several months before delivery to the center in Ft Worth User's recommendation: Many customers waiting to be able to contact police and make phone calls.