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Jay
Jay, Certified Infiniti Technician
Category: Infiniti
Satisfied Customers: 3758
Experience:  20+years, Nissan and Infiniti experience and currently now working for a Infiniti Dealer
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I have 2 intelligent keys that were working perfectly. I

Customer Question

i have 2 intelligent keys that were working perfectly. I went on a month trip, the car was not used and now, neither key works. I tried changing batteries in one remote, no luck.
JA: Have you changed a battery before?
Customer: yes
JA: What is the model/year of your Infiniti?
Customer: 2008 g35x
JA: Are you hoping to fix this yourself? What have you tried so far?
Customer: i have changed the battery in the remote
JA: Anything else you think the mechanic should know?
Customer: no
Submitted: 10 months ago.
Category: Infiniti
Expert:  Jay replied 10 months ago.

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

Does the head lights turn on and brake lights work? Did you try to jump start the car?

Customer: replied 10 months ago.
the car works. I use the manual key to enter and the intelligent key "work" when in the slot. The issue is with the intelligent key opening doors, truck, locking the doors, and starting the car when it is not physically in the port
Expert:  Jay replied 10 months ago.

got ya. Did you attempt to try changing the battery in the remote by any chance?

Customer: replied 10 months ago.
I replaced one of the two fobs battery and had no change
Customer: replied 10 months ago.
note: both fobs worked before the vacation now neither works
Expert:  Jay replied 10 months ago.

What is the battery number on the fob.. Yeah.. That is odd.. I have one thing I would like to try after you tell me the battery number.

Let me know.

Customer: replied 10 months ago.
Sony CR2032
Expert:  Jay replied 10 months ago.

Thank you.. That is the correct part number.

Lets try doing a hard reset on the car and see if it wakes up the system. Try disconnecting the negative battery cable for 15 mins. Then let me know if the remotes work.

Customer: replied 10 months ago.
ok will do that this evening
Expert:  Jay replied 10 months ago.

OK

Customer: replied 10 months ago.
Hi, that did not work. Any other ideas?
Expert:  Jay replied 10 months ago.

If that did not work, then all fuses would need to be checked with a test light and then remotes checked with a remote checker to verify that they are producing a signal

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