I have had some battery issues and after I changed it recently and suddenly my keyless entry locks the doors but does not unlock them.
Does your unlock button work in car? If it does, do you have another keyless entry key fob? If so does it work? If you just replaced the battery you can try removing battery and cleaning contacts within remote. I know some of the nissan altimas had the same issue and the only solution was a new key fob. Good Luck
SOURCE: nissan murano 2005 sl keyless entry remote programing
Close all vehicle doors, LOCK doors using drivers side switch.
Insert key all the way into the ignition, (do not turn) remove key.
Repeat this step 5 times. (6 total)
Hazards should flash to indicate program mode.
Press any button on transmitter to be programmed, hazards should flash to indicate successfull program.
*For additional remotes, cycle drivers door lock UNLOCK, LOCK, press
any button on remote, hazards should flash. Repeat step as necessary.
Ignition ON, (engine off) ignition OFF, UNLOCK using drivers side switch, test remotes.
Source
SOURCE: HORN WILL NOT SOUND BUT DOORS WILL LOCK WHEN I USE MY KEYLESS ENT
The title of you problem mentions the horn but the actual problem mentions the flashers? Which is it? You can turn the 'horn beep' feature on and off by simultaneously holding the lock and unlock buttons down on the remote for about 3 seconds or more. When the horn feature is turned on you will hear the horn, and when it turns off you will only see the lights flash.
SOURCE: Keyless entry remote
hello Kirk , follow these instructions carefully :
sitting in car with all the remotes you wish to register with the vehicle readily available ,,close all doors ! insert key into ignition and remove 6 times within 10 seconds ,, (hazzard warning lamps will then flash twice) ** note withdraw key completely from the cylinder each time ,, if procedure is done too fast it will not enter registration mode ,, ok ,, insert ignition key into cylinder and turn to the accessory position ,, Push any button on the key fob once ,, (hazzard warning lamps will then flash twice),, at this time the new ID code is entered ,, at this time open drivers door ,, check operation of all remotes ..
enjoy Mate .
SOURCE: keyless entry system installation
Seeing you have a 2009 i would highly recomend installing the astrostart in it wich you can get with keyless entry installed in the astro start. And the great thing about astro starts is depending on were you live you can set your temperature for hot or cold in the interiour so if you live in California you can turn your ac on before you even get in the car or if your like me and live in north dakota you can turn your heater on. But after installing just the Keyless entery systems i have had customers come back to me and decided that they whant astro start. and if you do go with the automatic car starter i highly Recomend AstroStart Brand they simply are the best out there. hope this kinda answers your question
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SOURCE: Where can you purchase battery for keyless entry for 2007 Nissan
The best place to purchase a replacement battery is AutoZone. They have a tester there to make sure everything is working. It should be on the help counter.
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I just tried to get a new remote and that did not work either.
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