Key Fob Stolen: What to Do for a 2024 Nissan Altima (US)
If your 2024 Nissan Altima key fob was stolen, treat it as a security issue—not just an inconvenience. The priority is preventing the stolen fob from starting or unlocking your car, then getting a properly programmed replacement.
Understanding Your Situation
A stolen Nissan Intelligent Key can potentially unlock and start your Altima if it’s nearby (or if the thief also has access to your vehicle). Until the missing fob is erased from the car’s memory, it may remain authorized.
🚀 Immediate Steps to Take
- Confirm the vehicle is secure: move it to a safe location if possible, lock it, and remove valuables. If you suspect the thief knows where the car is parked, consider relocating it or using a secure garage.
- Contact local police and file a theft report (helpful for insurance). If any documents, plates, or garage remotes were taken with the fob, mention that specifically.
- Arrange to have the stolen fob erased (reprogram/“all keys” registration) and a replacement key fob programmed by a Nissan dealer or qualified automotive locksmith; ask for proof the missing fob was removed from the system.
⚠️ What to Avoid
✕ Don’t delay erasing the stolen fob—until it’s removed from the car’s system, it may still work if the thief gets close enough to the vehicle.
✕ Don’t buy the cheapest online fob without confirming compatibility and whether it can be programmed to your specific Altima; many listings are incorrect or require special tools.
✕ Don’t share photos of your key, fob, VIN, or registration online—those details can be used for fraud or to create additional access.
⚠️ Common Mistakes to Avoid
- Not deactivating stolen key
- Delaying reprogramming
- Not filing police report
- Ignoring security risk
Frequently Asked Questions
Can someone steal my 2024 Altima if they have my key fob?
Potentially, yes. A stolen Intelligent Key can unlock and start the vehicle if the thief can get near it (or already has access to the car). The most effective step is to have the vehicle’s system reprogrammed so the stolen fob is no longer authorized.
Do I need to replace the whole car computer or locks?
Usually no. In most cases, a dealer or qualified locksmith can erase the stolen fob from the vehicle and program new keys without replacing the ECU or door locks. Physical lock changes are typically only considered if a mechanical key blade was also stolen and you’re concerned about forced entry.
If I still have one working key, do I still need reprogramming?
Yes, if a fob was stolen. Simply making a spare does not automatically disable the stolen fob. Ask specifically for the missing key to be erased (often done by re-registering keys so only the keys present are authorized).
Will the car start if the fob battery is removed from the stolen key?
No—without a battery, the fob generally won’t transmit for keyless entry or starting. However, you can’t rely on that, because the thief can replace the battery. Disabling the fob in the vehicle’s system is the proper fix.
Need Detailed Information?
Get vehicle-specific key fob compatibility, part numbers, and a complete price comparison for your 2024 Nissan Altima.
View Altima Key Fob Guide →Last updated: 2026-01-04