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Jay
Jay, Certified Infiniti Technician
Category: Infiniti
Satisfied Customers: 3445
Experience:  20+years, Nissan and Infiniti experience and currently now working for a Infiniti Dealer
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I have an 2012 M37x Infiniti my key system warning is on I

Customer Question

I have an 2012 M37x Infiniti my key system warning is on I have already gotten a new battery
JA: Have you tested the battery with a voltmeter? And can you see if it's leaking or not?
Customer: I just got a brand new battery
JA: Are you fixing your M37x yourself? What have you tried so far?
Customer: Nothing but the battery that was all the was wrong
JA: Anything else you want the mechanic to know before I connect you?
Customer: That's it
Submitted: 1 month ago.
Category: Infiniti
Expert:  Jay replied 1 month ago.

Hello my name is ***** ***** thank you for your question

Are you getting the low key fob battery warning light? Is that what you mean?

Customer: replied 1 month ago.
It just says key system
Expert:  Jay replied 1 month ago.

Does the car start and run?

Customer: replied 1 month ago.
it does
Expert:  Jay replied 1 month ago.

Do you have a Service Engine Soon light also on when the car is running?

Customer: replied 1 month ago.
No sir
Customer: replied 1 month ago.
Everything has been serviced oil changed etc.
Expert:  Jay replied 1 month ago.

Any chance you can take a picture of that warning message and show me?

Customer: replied 1 month ago.
Ok
Expert:  Jay replied 1 month ago.

Do you have a triangle warning light on also?

Expert:  Jay replied 1 month ago.

Did you get a new Car battery or Key fob battery? Did you try your spare key and see if you get the same warning?

Customer: replied 1 month ago.
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call. Let me know if you need more information, or send me the service offer(s) so we can proceed.
Customer: replied 1 month ago.
Picture attached
Expert:  Jay replied 1 month ago.

1 sec

Expert:  Jay replied 1 month ago.

Which battery did you replace? Car or remote battery?

Customer: replied 1 month ago.
Car
Expert:  Jay replied 1 month ago.

Did you do it yourself?

Customer: replied 1 month ago.
Shop
Expert:  Jay replied 1 month ago.

are you fairly handy to try something?

Expert:  Jay replied 1 month ago.

If you can, disconnect the negative battery cable for 15 mins. Then reconnect it and see if you still get that key warning

Customer: replied 1 month ago.
Ok I will do
Expert:  Jay replied 1 month ago.

After you do the hard reset, see if you still get this key warning message and let me know. Then I will tell you how to program the windows auto up feature

Customer: replied 1 month ago.
Ok thanks a lot
Expert:  Jay replied 1 month ago.

Your welcome. I will be online later this evening around 7 pm EST to continue to help you.