Where trackers are usually hidden on a vehicle
A GPS tracker on your car is a small device that sends location data to someone else's phone or computer. The most common places to find one are underneath the vehicle — magnetically attached to the frame, bumper, or wheel well — because that location is hidden from casual view but accessible without opening the car. Trackers can also be plugged into the OBD-II port, which is a diagnostic connector located under the steering wheel on the driver's side, usually below the dashboard.
Inside the car, trackers sometimes hide in the wheel wells, inside the bumper, or attached to the frame with a magnet. Some are wired into the vehicle's electrical system by someone with mechanical knowledge. A few trackers are small enough to fit inside a phone charger, air freshener, or other personal item left in the car, though these are less common for vehicle tracking specifically.
Key Takeaways
- Check underneath your car with a flashlight and mirror, paying special attention to the wheel wells, bumper, and frame where magnets hold easily.
- Look inside the OBD-II port under your steering wheel — a small plug-in device there is the fastest way to track a vehicle.
- Inspect your wheel wells and inside the bumper by hand, feeling for unfamiliar objects or magnetic attachments.
- Use your phone's Bluetooth scanner to detect wireless trackers, though this works only if the device is actively broadcasting.
- If you find a device you do not recognize, photograph it in place before removing it, and contact local police if you believe it was placed without your consent.
Physical inspection under the vehicle
Start by parking in a well-lit area and getting a flashlight and a small mirror — the kind used for inspecting under furniture works well. Lie down or crouch beside the car and look underneath the frame, bumpers, and wheel wells. A tracker attached with a magnet will be a small rectangular or square box, usually black or gray, roughly the size of a deck of cards or smaller. Run your hand along the frame and bumper, feeling for anything that does not belong or seems recently attached.
Pay close attention to the wheel wells, where dirt and road spray provide natural cover. Trackers are often placed on the inside of the wheel well where they are hidden from view but still receive a signal. Check all four wheels. If you find something, take a photo before touching it — this documents the location and condition if you need to report it to police.
Checking the OBD-II diagnostic port
The OBD-II port is a small connector under the steering wheel on the driver's side, usually mounted on the dashboard or hanging below it. It looks like a rectangular socket with two rows of pins. Plug-in trackers fit directly into this port and draw power from your vehicle's electrical system, making them harder to spot than magnetic devices. Reach under the dashboard and feel around the port area — a tracker here will be a small device protruding from the socket.
If something is plugged in, photograph it and note what it looks like. Some legitimate devices also use this port — insurance company trackers, vehicle diagnostics tools, or aftermarket systems — so you will need to identify what you are looking at. If you do not recognize the device and did not install it, remove it carefully and keep it as evidence if you plan to report it.
Using your phone to detect wireless trackers
Many modern trackers use Bluetooth or cellular signals to transmit location data. You can scan for Bluetooth devices using a free app on your phone — search your phone's app store for "Bluetooth scanner" or "BLE scanner" (BLE stands for Bluetooth Low Energy). Open the app and run a scan while standing near your car. Any unfamiliar device names that appear — especially ones with generic names like "Tracker," "GPS," or a string of numbers — could be a tracking device.
This method works only if the tracker is actively broadcasting, which most are. However, some older or more sophisticated trackers may not show up on a basic Bluetooth scan. If you find a device name that seems suspicious, note it and cross-reference it with any devices you own or that came with your car. Legitimate devices like tire pressure monitors or key fob systems will also appear, so you need to know what is supposed to be there.
Inspecting the interior and personal items
Trackers hidden inside the car are less common but possible. Check under the seats, inside the door panels if you can access them, and in the glove compartment for unfamiliar devices. Look at any items that were not yours — phone chargers, air fresheners, or small boxes — and inspect them for signs of tampering or unusual weight. Some trackers are disguised as everyday objects, though this is rare for vehicle tracking.
Pay attention to any new items that appeared in your car recently or that you do not remember placing there. If you find something suspicious, photograph it and do not use it. Remove it carefully and keep it in a safe place if you plan to report it to police.
What to do if you find a tracker
If you find a device you believe is a tracker and you did not install it yourself, take a photo of it in place before removing it. Write down the location, the date you found it, and a description of the device. Do not attempt to disassemble it or connect it to anything. Keep the device in a safe place — a plastic bag or box works well.
Contact your local police department and report what you found. Provide them with the photos, the device itself, and information about when you first noticed something seemed wrong. Police can investigate whether the tracker was placed without your consent and identify who placed it. If you believe someone specific is responsible — a former partner, family member, or someone else — tell the police that as well. In some places, placing a tracker on someone else's vehicle without consent is illegal, and police can pursue charges.
When to check your car for trackers
Check your car for trackers if you notice unusual behavior: someone seems to know where you have been, your location data shows impossible routes, or you suspect someone is monitoring your movements. You should also check if a former partner, family member, or someone with access to your car has shown controlling behavior or made threats. If you feel unsafe, checking your car is a reasonable step to take.
Regular checks are not necessary for most people, but if you have reason to believe someone is tracking you, inspect your car thoroughly — underneath, the OBD-II port, and the interior. If you find nothing but still feel unsafe, talk to a domestic violence hotline or local police about your concerns. They can advise you on next steps and help you stay safe.
Frequently Asked Questions
Can I remove a tracker I find on my car?
Yes, you can remove it. Take a photo first so you have documentation of where it was and what it looked like. If you believe it was placed without your consent, keep the device and report it to police rather than throwing it away — police may be able to trace it to whoever placed it.
What if I find a tracker but do not know who put it there?
Report it to your local police department. Provide them with photos, the device itself, and any information about when you first suspected you were being tracked. Police can investigate and may be able to identify the person responsible through the device's registration or purchase records.
Are there trackers that do not show up on Bluetooth scans?
Yes. Some trackers use cellular signals instead of Bluetooth, and these will not appear on a Bluetooth scan. Physical inspection under the car and checking the OBD-II port are more reliable methods for finding all types of trackers.
Is it illegal to put a tracker on someone else's car?
In most places, yes. Placing a tracking device on someone else's vehicle without their knowledge or consent is illegal and may be prosecuted as stalking, harassment, or invasion of privacy. Laws vary by state and country, so check your local laws or ask police about what applies where you live.
What if my insurance company or car manufacturer installed a tracker?
Legitimate trackers from insurance companies or manufacturers come with documentation and disclosure. Check your insurance policy, vehicle warranty paperwork, or the owner's manual. If you have questions about a device you find, contact your insurance company or dealership directly — they can tell you whether it belongs there.