(6) Subscriber Revenue

     Subscriber revenue consists of subscription fees, revenue derived from agreements with certain daily rental fleet operators, non-refundable activation and other fees. Revenues received from OEMs for subscriptions included in the sale or lease price of vehicles are also included in subscriber revenue over the service period.

     Subscriber revenue consists of the following:

		For the Three Months								For the Nine Months
		Ended September 30,								Ended September 30,
		2011				2010				2011				2010
Subscription fees		$	657,245			$	607,738			$	1,912,787			$	1,780,557
Activation fees			3,592				4,381				10,130				12,701
Total subscriber revenue		$	660,837			$	612,119			$	1,922,917			$	1,793,258