The Keyless Entry System May Stop Working on Volvo C30

Problem Description and Possible Solution

The keyless entry system may stop working due to a loss of synchronization with one or more remotes. Our technicians tell us re-synchronization may be only a temporary solution, the keyless entry receiver may need replacement to correct this concern.

Problem Data
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Average mileage: 71,299 (27,000–129,000)
5 model years affected: 2008, 2009, 2010, 2011, more2012
15 people reported this problem
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Viewing 1 - 9 of 9 comments
I have the same problem, the keyless system is not working. In addition, the lock/unlock buttons inside the car also do not work. Taking it to a mechanic today to see if the problem is a simple one so as to avoid taking the car to the dealer.
Yeh I just replaced the two fobs with multiple batteries and still no joy'
Keyless entry/lock works about 2/3 of the time. Have now replaced the key fob batteries in both keys twice inside of 6 months. No resolution, looking for further troubleshooting thoughts/techniques.
Was told it needed 1000 repair. But was able to use by taking out key and using remote all the time to start car. Trying to see if I can avoid $1500 repair
Second back up key also stopped working after 2 years of use...
remote dont work plus "refill washer fluid" always on even after fill up
Keyless entry stopped working with new batteries.
Keyless entry stopped working overnight.
keyless entry system failed to operate