can you put a gps on someones car

[McAddyson]

Installing a GPS tracker on someone else's car without their explicit consent is generally illegal and can result in serious civil and criminal penalties, including stalking charges or lawsuits for invasion of privacy. The legality hinges on ownership and consent. You can legally track a vehicle you own, even if someone else drives it regularly, such as a company car or a car used by your minor child. However, placing a tracker on a vehicle owned by another adult (like a spouse, employee, or friend) without their knowledge is the primary legal risk area.

Laws vary significantly by state. Some states have specific laws making it a crime to install a tracking device on a person's property without their consent, while others rely on broader stalking or privacy statutes.

State	Law Overview	Key Consideration
California	Civil Code § 1708.7 makes it illegal to electronically track a person without consent.	Applies even to a spouse's car if you are not a registered owner.
Texas	Penal Code § 16.06 prohibits installing a tracking device on another person's property.	Explicitly includes motor vehicles; violations are a felony.
Florida	No specific statute, but can be prosecuted under stalking or harassment laws.	Legal precedent often sides with the vehicle's owner, not the primary driver.
New York	Unauthorized tracking can lead to charges of unlawful surveillance (a felony).	Consent is a key defense; ownership of the vehicle is critical.
Illinois	Stalking No Contact Order Act can be invoked for unauthorized GPS tracking.	Focus is on the intent to threaten or harass the subject.

If you have a legitimate reason, such as monitoring a teen driver's safety or tracking a fleet vehicle, the safest approach is to have an open conversation and obtain clear consent. For situations involving suspicion of infidelity or employee misconduct, consulting with an attorney before taking any action is strongly advised to understand your specific legal exposure. The potential consequences far outweigh the temporary information gained.

[VanJosiah]

Unless you're a parent keeping tabs on your teen driver in a car you own, it's a bad idea. It's not just about trust; it's against the law in most places. You could be slapped with a restraining order or even criminal charges for stalking. If you're that worried, a direct conversation, even a tough one, is a much safer bet than secretly planting a tracker. The legal fallout can be messy and expensive.

[KyleDella]

From a technical standpoint, it's simple to buy a magnetic GPS tracker online and hide it under a car. But the real question is the "why." If it's for recovering a stolen car or monitoring a company asset, that's one thing. If it's to secretly monitor another adult's movements, you're crossing an ethical and legal line. Modern smartphones have built-in location sharing for consensual use. Using a hidden device bypasses that consent, which is the core of the problem.

[McGarrett]

I looked into this when I was worried about my aging dad getting lost. The key is ownership. I could legally put a tracker on his car because I'm his power of attorney and we discussed it for his safety. But if I tried to do the same to my neighbor's car because I thought he was suspicious? That's a quick way to get into serious trouble. The law cares about who holds the title, not just who has the keys. Always start with a conversation.

[DeRiver]

Think of it as a violation of digital privacy, similar to hacking someone's phone. Even in a marriage, secretly tracking your spouse's car can be used as evidence of harassment in divorce proceedings. Courts are increasingly recognizing location data as intensely personal. If there's a breakdown of trust, a GPS tracker won't fix it; it will just create a legal paper trail against you. Focus on communication or professional counseling instead of surveillance, which often backfires spectacularly.