warning lights

2010 NISSAN ALTIMA
160,000 MILES • 2WD • AUTOMATIC
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FARR2007
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when car is off a security light blinks it is a red car with a key in the middle.now i am told many things cause this; steering lock, low battery in fob. honestly I have no idea. please help.
Dec 9, 2017 at 10:03 PM
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WRENCHTECH
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The security light is blinking because it is not accepting the transponder in the key you are using. If you have another key, I would try that first. Otherwise you are going to need the dealer scan tool to diagnose the issue and probably do some programming of new keys.
Dec 10, 2017 at 10:58 AM
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FARR2007
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It is push button start no key. there is a key to unlock doors.
Dec 10, 2017 at 1:09 PM
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WRENCHTECH
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You still have an electronic key that has to be within range.
Dec 10, 2017 at 1:11 PM
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FARR2007
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Mom leaves key in car all the time.
Dec 10, 2017 at 1:17 PM
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WRENCHTECH
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There may be an issue with using up the battery in the fob by leaving it in the car.
Dec 10, 2017 at 1:22 PM