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keyless start and proximity unlock not working on spare key

Volvo XC60 This smaller crossover offers the capabilities of an SUV with less size - ideal for city driving.

keyless start and proximity unlock not working on spare key

  #1  
Old 06-07-2019, 02:31 PM
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Default keyless start and proximity unlock not working on spare key

Got two keys with our used 2013 XC60. One works perfect but the other we have to use the remote buttons to unlock and must insert the fob into the key slot in order to start it.

Dealer says that we'd need a new $300 because once they are programmed to the car, that's all they can do. Does that sound right? To me, this key looked new like it was recently purchased so I'm shocked that its the one that doesn't work while the dirty one works as designed. Maybe the PO just never used that key because it didn't work right??

Is there a procedure to get the keyless start and proximity lock/unlock working again?
 
  #2  
Old 06-14-2019, 07:41 AM
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Did you replace the battery?
 
  #3  
Old 06-14-2019, 07:50 AM
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In the key, no. The remote functions properly. We haven't replaced the vehicle battery either.
 
  #4  
Old 06-14-2019, 04:57 PM
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Replace the battery in the fob. As the battery loses voltage, the fob only works intermittently. Basic maintenance issue. It’s written in the owner’s manual. If dealer did not automatically suggest that, never go back to that dealer.
 

Last edited by blindkarma; 06-14-2019 at 05:00 PM.
  #5  
Old 06-14-2019, 08:51 PM
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Just to make sure we're on the same page, the key fob works 100% of the time to unlock/lock/open trunk. The feature that doesn't work ever with this key is the keyless proximity unlock and the feature where you can start the car without taking the key out of your pocket.
Would the battery work for the remote (100% of the time) but not for the key-in-pocket start?
 
  #6  
Old 06-15-2019, 12:16 AM
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Think about it. Sending signal by engaging contact switch or constant transmission of signal. I recommend Swiss-made Renata lithium batteries. It will cost you $3 to find out versus $300.
 
  #7  
Old 06-15-2019, 07:20 AM
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Thank you for reinforcing your suggestion. I took the fob apart to find that the little flap that should go between the two batteries was actually under both so I assume one section of the key wasn't getting voltage as it should. I placed the flap between the two batteries and Viola, the key works now!
Thanks again for the help and I'm glad I didn't waste $300 on a new key. I plan to call the service advisor and just share the results with him. Seems like they should know the cars a little better than they do.
 
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