Instruct: Classify a given Amazon review into positive or negative sentiment.
Query: Internal Antenna Fails

I've had the nuvi 680 gps for about 2 years now, seemed to work fine getting a signal until recently. Would take 10 minutes or longer to grab a signal, then would lose it after awhile. I searched the internet and found out that I should update the software on the gps so we downloaded and updated using the garmin web updater. The gps almost completely stopped picking up a signal from satellites after updating. After searching the internet some more, someone suggested stripping a twist tie and putting the wire into a hole in the antenna. This seems to work. Apparently these devices have a defect in the internal antenna and they completely stop working.My parents have the 660 version and they are starting to experience issues with getting a signal as well, theirs is a year old.The MSN traffic services does pick up traffic problems but does not properly rate the traffic backup time so you are on your own whether you should avoid the backup or not.