When Intelligent Key Battery is low battery ? - Nissan Forums : Nissan Forum
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#1 Old 06-18-2009, 03:18 AM
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When Intelligent Key Battery is low battery ?

  1. When Intelligent Key Battery is low battery ? ( 1 month, 1 year, 2 years,.... ) Has Altima Coupe warn it for us ?
  2. How long we charge battery at a time ? ( Has vehicle announce for us when Intelligent Key Battery is full battery ? )
After 1.5 years



Thank you !

Last edited by dotrunghieu; 01-07-2011 at 08:45 PM.
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#2 Old 06-18-2009, 06:12 PM
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From what I understand the car does not charge the key at all! The slot is only used when the fob is not working or has been water damaged. My 08 coupe has been warning me that my key is low for 4 months now. I am going to keep going till it does not work any more. Then you have to replace the internal battery just like any other key fob.
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#3 Old 06-21-2009, 05:51 AM
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^^ agreed.
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#4 Old 06-25-2009, 05:41 PM
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How can i change battery of key ?

Can I do it or take it to dealer ?
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#5 Old 06-25-2009, 05:42 PM
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You should be able to do it.


Dealer will charge way too much.
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#6 Old 06-25-2009, 08:42 PM
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Quote:
Originally Posted by dotrunghieu View Post
How can i change battery of key ?

Can I do it or take it to dealer ?
page 8-24, 8-25 of owner's manual.

2007 infiniti fx35, 2008 mercury mariner hybrid
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#7 Old 06-26-2009, 04:41 AM
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Quote:
Originally Posted by xeene View Post
page 8-24, 8-25 of owner's manual.
Do you have clip or picture about change battery ? ( from internet )
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#8 Old 06-26-2009, 11:14 AM
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#9 Old 07-01-2009, 03:23 AM
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You should get a low battery warning on your dash, I just got one the other day, it showed my key had about 1/4 battery life left. Time to change it! So yes, there is a warning system in place.

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#10 Old 07-08-2009, 08:21 AM
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Good to know
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#11 Old 07-13-2009, 11:04 PM
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I just changed my key battery when my car gave me a warning light...I just went to radioshack and got the battery type the manual said to use. It was about 3$, very cheap and very easy to install! Good luck

Btw, I wouldnt wait too long after you get the warning since I have heard stories about ppl who have not been able to get into their cars with a dead battery...
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#12 Old 07-14-2009, 03:33 AM
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sorry but those people are idiots then. there's a key inside your fob. it is impossible to not be able to get into your car if you have your fob (as long as your key is still in it) or unless you happen to lock your keys in your car.

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#13 Old 07-14-2009, 10:54 AM
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Quote:
Originally Posted by maxaroonie18124 View Post
Btw, I wouldnt wait too long after you get the warning since I have heard stories about ppl who have not been able to get into their cars with a dead battery...
what tony said

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#14 Old 07-14-2009, 02:15 PM
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Quote:
Originally Posted by Tonychanman View Post
sorry but those people are idiots then. there's a key inside your fob. it is impossible to not be able to get into your car if you have your fob (as long as your key is still in it) or unless you happen to lock your keys in your car.
You are correct, entry can be gained to your vehicle by using the key.

That is only half the battle. Most people want to be able to start the car after gaining entry, which will not happen with a dead battery in the I-key.

How am I able to make this bold statement? Lets take a look at what the owner's manual says about this very subject. Page 3-6, pre-driving checks and adjustments states:

Because the steering wheel is locked electrically,
unlocking the steering wheel with the ignition
switch in the LOCK position is impossible when
the vehicle battery is completely discharged.

Unlocking the steering wheel is impossible even if
the Intelligent Key is inserted into the Intelligent
Key port. Pay special attention that the vehicle
battery is not completely discharged.

Although the life of the battery varies depending
on the operating conditions, the battery's life is
approximately 2 years. If the battery is discharged,
replace it with a new one.

When the Intelligent Key battery is almost discharged,
insert the Intelligent Key into the Intelligent
Key port to start the engine. Replace the
discharged battery with a new one as soon as possible.


Why anyone would want to experience this problem is beyond me.

Maybe I am a strange duck, but I enjoy having the I-key unlock my doors, and assist in starting my car.

I have no desire to see how long I can make a $2.00 battery last.
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#15 Old 07-14-2009, 03:35 PM
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Well it still renders useless if you cant start the car then, so a smart person would def change the battery when the warning light comes on.

Why nissan didnt invent an alternative way to start the car is beyond me.
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