[Fai Mao]

If the device does not have a “Off” switch I won’t have it.

When I got the new vehicle it was import to me that the vehicle did NOT have a built in GPS signal

[peyton randolph]

If the device does not have a "Off" switch I won't have it.

Even turned off cell phones can be tracked.

When I got the new vehicle it was import to me that the vehicle did NOT have a built in GPS signal

Not yet. Will be mandatory soon. As of now, the black boxes installed in vehicles are bad enough.