Battery Issues
A dying battery or a poor battery connection can both trigger your INFINITI's car alarm.
If your INFINITI's battery is on its way out, your continuous car alarm may not be a faulty response but rather a way of telling you there's something wrong with the battery. Check the battery with a voltmeter. Your battery should have approximately 12.6 volts. If the battery is reading lower than that, replacing the battery may be required.
Additionally, a poor battery connection can cause the car alarm system to go off seemingly at random. Corrosion and rust can build up on the battery's terminals, reducing your battery's stable connection. Clean the terminals and cable clamps with a wire battery terminal brush to clear the battery of any corrosion or rust and restore a strong connection.
A Damaged, Defective, or Dying Key Fob
Your INFINITI's key fob can do a lot of things, like locking and unlocking your vehicle, activating your hands-free liftgate, allowing you to start the vehicle, and even telling your car who's driving and setting your seat and mirrors just how you like them. But a defective key fob or damaged buttons can send faulty signals to your vehicle, potentially triggering the alarm system. A visit to your local INFINITI retailer for diagnosis may be the next step to inspect your fobs.
There's a Faulty Hood Latch or Hood Latch Sensor
Your INFINITI's hood latch keeps the engine hood firmly in place. If the latch isn't holding the hood down like it should, it could set off the car's alarm. Make sure the hood is firmly latched to keep the hood latch sensor from triggering the alarm.
Additionally, a faulty hood latch sensor could also be to blame. Due to the location in the engine bay, the hood latch sensor is susceptible to dirt and debris that could cause it to malfunction. A visit to your local INFINITI retailer for diagnosis may be the next step to inspect the hood latch.
There's an Issue With the Door Lock Sensor
Similar to the hood latch sensor, door lock sensors detect if your door is closed or not. Dirt, debris, and water can all affect the door lock sensor, interrupting the sensor's ability to tell your vehicle the door is closed and potentially triggering a false alarm.
To troubleshoot your door lock sensor, first make sure your door is locking. Use your key fob to lock and unlock the door and ensure the locking mechanism is functioning. If the lock is functioning, the sensor may be the issue. Have a professional technician run diagnostics on your vehicle to identify the exact door sensor causing your issues and replace any necessary parts.
There's an Issue With the Anti-Theft System
The anti-theft system keeps someone from starting your INFINITI without having the key in the car. If the control unit on the anti-theft system is malfunctioning or damaged, it may not recognize if the key is close to or in the car, causing the alarm to trip when you do things like try to start your vehicle or open a door with the car locked. A problem with the anti-theft system requires a professional diagnosis to fix or reset the alarm system. Head to your local INFINITI service center for expert assistance.
Silence Your Alarm Issues With Help from INFINITI Parts
Do car alarm issues have your ears ringing? Order genuine OEM replacement parts for your vehicle from INFINITI Parts. Genuine INFINITI OEM replacement parts are guaranteed to fit your INFINITI model, year, and trim and ensure those new parts dont continue to trigger your alarm system for no reason. Order your parts online, then head to your nearest INFINITI service center for professional installation.