A few weeks ago I got a new pickup truck with onstar\wifi. I have my phone set to connect to the trucks Wifi when im in the truck. I have noticed that in the 2 and 1/2 weeks I have had the truck I have used almost a gig of data(onstar\att) and im not really even using the phone while driving. I have a Gig plan with Verizon and two phones on that plan and only use about 3/4 of that in a month. My question is. Will a phone limit its data consumption when on cellular and use more when on WIFI. If so is there a way of tricking the phone into thinking it on a cellular network when it is connected to the wifi of the truck?