Nissan is known for making motors that people can rely on. However, they do experience issues from time to time, like any other car manufacturer. A “key system error see owner’s manual” warning message displaying up is a trouble that many people have had with some models, like the Altima.
This article tries to get to the backside of this hassle and provide useful solutions based totally on my many years of ride as an auto mechanic. I desire to provide you with all the information necessary to address this problem in Nissan motors like the Altima 2019 and 2020 models, whether it involves fixing steps or potential solutions.
What Does The Light On The Key Refer To?
It’s essential to understand the warning lights on your car due to the fact they provide you with essential information about the engine and different necessary parts. This knowledge helps you quickly respond when needed, avoiding expensive repairs or losing control of your vehicle.
There are a lot of warning lights on the dashboard of your car. The “Key System Error” tells you the potential issues with your smart key or the automated key system. When this light illuminates, a problem arises that prevents starting or stopping the car’s engine till the trouble is fixed. Pay immediate attention to this warning for secure and appropriate vehicle operation.
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How to Fix a Nissan Altima Key System Error
1. Key Fob Battery Drain:
Most of the time, the cause of the Key System Error is the key fob battery. Key fob batteries in Nissan vehicles frequently die, in particular when they are used a lot. The appropriate information is that swapping the battery is easy, and you can get one at any auto store or the Nissan dealership closest to you. From my personal experience, key fob batteries typically need replacement every every 3 to 5 years.
2. Reset Your Smart Nissan Smart Key:
If you modified the battery in your key fob but are nevertheless seeing the Key System Error on your screen, you may also want to reset your key. Changing the code on the Nissan Intelligent Key Fob is convenient and can be performed at any Nissan store.
The Nissan Keyfob may stop working for various reasons, such as program bugs or damage from losing the fob. Reprogramming the Intelligent Key System is the sole way to fix this problem.
3. Replace The KeyFob:
If you have a Key System Error in your Nissan Altima, the initial step to resolve the issue is to replace the keyfob battery.
For this simple yet essential task, you should get the battery that is recommended for your Altima. You can easily find this battery at a nearby auto parts store or Nissan showroom.
It’s still very affordable to purchase these new batteries; they usually cost between $5 and $10. For your convenience, I’ve included video information that suggests to you step-by-step how to swap the battery in your Altima’s keyfob effortlessly.
4. Reprogram the KeyFob:
If the Key System Error continues even after changing the battery, you will need to reprogram the key fob. For this task, you want to go to a Nissan dealership, where skilled technicians can perform the necessary updates.
Even if this service is priced between $100 and $200, depending on the place you live.
Conclusion
Nissan Altima keyfob battery usually lasts for 3 years. However, this can alternate a lot depending on how frequently it is used. Lighter use also extends the battery’s life to 5 years or more; however, heavy use may lead to the need for an earlier replacement. Regularly checking and replacing the battery when needed is essential to ensure optimal performance.
