Global positioning satellite (GPS) is an amazing piece of technology that can allow you to keep track of your loved ones as well as your property. It also can help you to navigate your way around unfamiliar places. However, like any technology there is the potential for abuse, and if for some reason you don't feel like being tracked, there are ways to detect a GPS on a car.
Instructions
1. Do a visual inspection of your vehicle. This is the cheapest way to find a GPS device. You are looking for a rectangular-shaped box about the size of a deck of cards. It may be attached to the undercarriage of your car, hidden in a bumper, in the trunk or under a seat. The more sophisticated ones can be wired into the interior of the dashboard, and you won't be able to find it without pulling it apart. These are often located near the fuse box as they require a wire as a power source.
2. Get a GPS detector (see the resources section below). These devices pick up the frequency that a GPS broadcasts on and will detect their presence. These devices can be a little pricey, depending on what your needs are. Note that this will only work with "Active GPS" systems. Passive systems give off no signal, so they can only be found with a visual inspection.
3. Scan your car by turning the device on and moving it over your car. The device will usually pick up a signal within 3 meters. It will warn you if there is a GPS device transmitting nearby either with a fast beeping sound or a blinking light. Note that there are semi-passive systems that only broadcast every half an hour, so these systems will require that you scan the car several times as they can only be detected when broadcasting.
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