Can you start the car without key fob?

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Nov 4, 2012 | 12:27 PM

thrill350z

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From: long island

Can you start the car without key fob?

The key fob (alarm disabler) is not working but I have my key. I am able to unlock the car door with the key but when I put the key in the ignition and try to start the car the alarm goes off and the car will not start.

Is there anyway to disable the alarm/start the car if the key fob does not work?

2003 Nissan 350z Touring with factory alarm

Nov 4, 2012 | 01:01 PM

sportbiketed

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From: Spring, TX

The alarm should disable when you unlock the door with the key. Sounds like you have an issue with N.A.T.S. not recognizing the key once its in the ignition.

Nov 4, 2012 | 01:26 PM

thrill350z

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thanks for the reply, they key has never been an issue in the past

Nov 4, 2012 | 03:21 PM

trapp1829

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From: Massachusetts

Quote:

Originally Posted by thrill350z

thanks for the reply, they key has never been an issue in the past

do me a favor and try this one out....unlock the door with the key and before you take the key out, unlock it again. On some cars to get past the factory security system you have to turn the key twice. Hope that works for you boss

Nov 4, 2012 | 03:22 PM

trapp1829

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From: Massachusetts

why its quoted is beyond me but give that a shot

Nov 4, 2012 | 10:47 PM

Waiz

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From: SoCal

Try to find another key fob, if the alarm is activated you won't be able to do anything

Quote:

Originally Posted by sportbiketed

The alarm should disable when you unlock the door with the key. Sounds like you have an issue with N.A.T.S. not recognizing the key once its in the ignition.

Sorry but this is false, I have left my fob in my trunk and opened the door with my key and the alarm went off for a few minutes until I could wiggle into the trunk. I was in my wetsuit after surfing too, not cool

Nov 5, 2012 | 06:02 AM

JERZ350

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From: Roseland, NJ

You shouldn't need the fob at all. Works fine for me with just the key.... The car should read the chip in the key once it is put in the ignition. I'm pretty sure the FOB just acts as a wireless key for the door/alarm. If you lock the car with the fob and engage the alarm, your actual key should be able to unlock the door and start the car.

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Nov 5, 2012 | 07:14 AM

whatZheck

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From: CT

I bought my Z a few months ago, it did not come with the fob. The car will start without it. Cheap OEM fobs are available on Ebay, BTW.

Nov 5, 2012 | 08:32 AM

terrasmak

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From: Sin City

Quote:

Originally Posted by whatZheck

I bought my Z a few months ago, it did not come with the fob. The car will start without it. Cheap OEM fobs are available on Ebay, BTW.

Just like anyone with an aftermarket alarm too.

Nov 5, 2012 | 09:18 AM

#10

sportbiketed

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From: Spring, TX

Quote:

Originally Posted by Waizzz

Try to find another key fob, if the alarm is activated you won't be able to do anything

Sorry but this is false, I have left my fob in my trunk and opened the door with my key and the alarm went off for a few minutes until I could wiggle into the trunk. I was in my wetsuit after surfing too, not cool

Ah no it's not. Factory alarm arm/disarm works with the lock/unlock signal, so if you use the key in the driver door cylinder the alarm should disarm when you unlock it.

Nov 5, 2012 | 12:56 PM

#11

PerfZ

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From: hilliard ohio

Quote:

Originally Posted by sportbiketed

Ah no it's not. Factory alarm arm/disarm works with the lock/unlock signal, so if you use the key in the driver door cylinder the alarm should disarm when you unlock it.

Agreed - I even went out and tested mine and car started just fine 2003

Nov 5, 2012 | 10:48 PM

#12

ferrijessica

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From: london

they key has never been an issue in the past

Nov 5, 2012 | 11:47 PM

#13

whatZheck

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From: CT

Quote:

Originally Posted by ferrijessica

they key has never been an issue in the past

Do you have a spare key? The chip in the key that sends the signal to the computer may be damaged, the car will not start. About $80 for a key.

Nov 6, 2012 | 02:50 AM

#14

Cux350z

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From: Greenville, SC

Quote:

Originally Posted by sportbiketed

Ah no it's not. Factory alarm arm/disarm works with the lock/unlock signal, so if you use the key in the driver door cylinder the alarm should disarm when you unlock it.

If the fob was the last thing to issue the lock command the alarm may have been set off when he used the key to manually unlock and open the door.

After the alarm was reset he should be able to lock/unlock from the door switch and use his key without issue.

Nov 6, 2012 | 08:45 AM

#15

Edmonton 350z

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From: Edmonton

What about trying the procedure to unlearn all key fobs from the car? Then try it with just the key. When I bought mine recently, it didn't come with fobs, just one key. It started without the fob. Bought fobs off ebay that came with instructions, and part of that was making the car unlearn all previous fobs. You can google for these instructions.

Nov 6, 2012 | 09:32 AM

#16

sportbiketed

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From: Spring, TX

The fob isn't the issue.

N.A.T.S. is not recognizing the key. OP you need to bring the car to a dealer and have them figure it out.

Last edited by sportbiketed; Nov 6, 2012 at 09:34 AM.

Nov 6, 2012 | 01:05 PM

#17

Surg

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From: Miami,FL

The FOB is not needed. When turning on the car do you have the FOB with you in the car? Maybe the battery is low and activating the alarm.

May 26, 2016 | 09:13 PM

#18

dcains

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From: Lutz, FL

Quote:

Originally Posted by aaranpeters

This may not be an issue to some but today I was going to town and got a couple minutes down the road and realized i had left my wallet at home. I turned around came home and took my keys with me to unlock the house. I grabbed my home and went out and jumped in my car to head to town to get some food. When i got home i looked at my Speedo display and saw that it was saying keyfob not detected..then i contact ************** and really these guys are excellent and have good workmanship.

I'm going to call this post bullsh!t and report it as SPAM. No such display on the Z, but nice try d-bag.