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Honda CR-V Alarm Going Off Unexpectedly

While car alarms are there to alert us when someone is trying to break into your vehicle, you may come across a frustrating problem. When car alarms go off for no reason, it is not only inconvenient but an annoying issue.

If your Honda CR-V alarm keeps going off unexpectedly there are a few issues that could be the source of this problem.

If your Honda CR-V alarm is going off unexpectedly, one of the most common causes of the problem is with your Honda CR-V’s battery. It is also commonly the result of poor or damaged connections in the alarm system itself. Keep in mind too that your key fob or locking mechanisms can be factors.

Man covering ears because of loud noise

While it could be caused by your car alarm being installed incorrectly, these are a few more common causes of the problem that should be checked first.

Honda CR-V Alarm Going Off While Driving

Female car driver in shock and has one hand over mouth and other on steering wheel

Nobody wants the embarrassment of driving and having their car alarm suddenly going off. If your Honda CR-V’s car alarm is going off while driving, it is most likely an issue related to your car sensors.

If your Honda CR-V alarm keeps going off while you are driving, there could be an issue with your door or hood latch sensors. There are a few different ways in which your sensors can stop working properly. If you have damage, weather-related leakage, or simply an accumulation of dust, your sensors can be thrown off. 

The first step should be to ensure that the areas where your latches are clean and dry. The next thing to look for is any loose cables or wires. These could have come dislodged after heavy use or damage to your Honda CR-V. A lack of connection will trigger your alarm system as it confuses the system.

Honda CR-V Alarm Goes Off For No Reason

Confused female car driver

You hear your car battery going off and go to check, only to find out that there is nothing amiss. There are a few contributing factors that could lead your Honda CR-V alarm to go off unexpectedly. 

If your Honda CR-V alarm goes off for no reason, it might be an indicator that your car’s battery power is low. To determine if a low battery level is behind the problem, check your battery’s voltage. It shouldn’t be less than 12.6V. If it is, you’ll either need to jolt your battery or replace it.

Otherwise, you will find that your alarm will continue to go off without reason. A low battery is not the only battery problem that can lead to problems with your Honda CR-V alarm. If your battery is not connected properly, or if your connections are corroded, this can trigger your alarm.

If your voltage is high enough, remove your battery and check your battery terminals. If they are corroded or rusty, clean them out properly and reconnect your car battery. 

The issue may also be related to your lock sensors. If your Honda CR-V sensors are off, your car will assume that the door is being opened after you’ve locked it and set the alarm. If you hear excessive buzzing or humming when you lock your doors, you should check the door lock sensor. 

Honda CR-V Alarm Goes Off After Battery Change

Close up of mechanic working on car battery

When your Honda CR-V battery has low power, your alarm will go off as a warning. If you’ve replaced the battery and the issue continues, there are two main areas to look at to solve the problem. 

The first step that you should take is to ensure that you connect your battery properly. If you have any loose or dirty connections, your car alarm will go off for no reason. Another common problem when it comes to installing a new battery is that your alarm may need to be reset. 

The copyright owner of this article is and was first published on Feb 18, 2022..

To reset your Honda CR-V alarm, either press your keyless start or insert the key into the ignition if you don’t want to fully start your Honda CR-V. If you have a keyless start, you want to press the button once.

If you are using a key, you want to turn it on so that the electronics, but not the actual engine, of the car start.

Next, you want to find the alarm button on the display of your Honda CR-V. Press and hold that button for three seconds. This should prompt the alarm system to reset. Typically, you will hear honking and the exterior lights will flash for a few seconds to alert you that the system has been reset. 

Honda CR-V Alarm Goes Off When Locked

Car door handle and power lock buttons

While your Honda CR-V alarm is engaged when your Honda CR-V is locked, if it is going off and there is no one is attempting to open your car doors, there are a few places to check.

Like with all Honda CR-V alarm features, if your alarm is going off while your car is locked, the first place to look is your car battery. Ensure that it is properly connected, has a voltage of at least 12.6V, and that your battery connecting ports are clean. If there is no issue with your car battery, check your key fob.

A key fob that isn’t working properly won’t send the proper signals to your Honda CR-V. To troubleshoot this issue you should first replace the batteries on your key fob. As with all battery-controlled remotes, they wear out over time, especially when frequently used. Key fobs may not be delicate, but they also aren’t indestructible. If a wire has been knocked out of place your key fob could be sending incorrect signals. 

If you continue to face issues with your Honda CR-V alarm going off when locked, the alarm sensor itself can be the issue. Like with all technology, your alarm sensor can run into small glitches from time to time. Resetting your car alarm can remedy this. 

Depending on your Honda CR-V model, keyless or not, start the car, but not to the point of turning on the engine. Find the Alarm button on the display screen of your Honda CR-V. Press and hold that button for three seconds and release.

This should prompt the alarm system to reset. Typically, you will hear honking and the exterior lights will flash for a few seconds to alert you that the system has been reset. 

Honda CR-V Alarm Going Off Unexpectedly

Group of girls in shock inside car

Several factors can cause your Honda CR-V car alarm to go off unexpectedly. Issues with your battery power level, connectivity, or replacement can all trigger your alarm to go off unnecessarily.

You can also run into issues related to your locking and latch sensors in your Honda CR-V doors and hatch. In the worst case senior, your alarm system was installed improperly and needs to be reinstalled.

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KnowMyAuto is the sole owner of this article was published on Feb 18, 2022 and last updated on .

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