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Cadillac
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Discussion Starter #1
I was just wondering what the average range is for a remote door unlock. I know the manual says 10 feet. I usually have to be 2-6 ft, and then it doesn't always accept the 2nd push to unlock everything, i have to be right next to it. Of course, today it was about 50-60 ft one time and 3 ft the next. Does temp, wind, etc have anything to do with it? I just replaced the battery a few weeks ago, so I know it is not that. My wifes Tahoe does easily 50-60 ft every time, as did my Firebird. Anyone know why this distance is so short? Don't know if the dealer could do anything, since the manual says 10.
 

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2017 XT5 and 2014 Corvette
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1,183 Posts
Have you tried replacing the battery in the fob? The range on mine is much greater than 10 feet.
 

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Cadillac
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19 Posts
how come all the windows wont go down if you hold the unlock down for an extended time, also my 07 you have to be almost in thecar to open the doors !!!
 

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18 ATS-V, 04 CTS-V, 09 CTS, 04 CTS
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6,675 Posts
Our CTS has a good 300 feet at the very least.

My CTS-V is a different story. About 10 feet.

I have NO idea why. I've had the batteries replaced, key fobs replaced... Nothing...
 

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Sedan de Ville, CTS
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4,764 Posts
I was just wondering what the average range is for a remote door unlock. I know the manual says 10 feet. I usually have to be 2-6 ft, and then it doesn't always accept the 2nd push to unlock everything, i have to be right next to it. Of course, today it was about 50-60 ft one time and 3 ft the next. Does temp, wind, etc have anything to do with it? I just replaced the battery a few weeks ago, so I know it is not that. My wifes Tahoe does easily 50-60 ft every time, as did my Firebird. Anyone know why this distance is so short? Don't know if the dealer could do anything, since the manual says 10.
Go to a couple of larger dealers and ask for used car mgr. He/she has a large box full of GM FOBs. Many of the CTSs use a model ending in 54 or 55. One of mine ends in 54, and the other is a totally diff number.

If you are nice to him/her, it will likely give you a couple. Might cost you a box of donuts.

I do this all the time because I swap cars regularly, and sometimes I get one or 0 FOBs.

Then you need to pay to have them programmed, altghough I hear that some GM dealers program them for free for best customers. It takes tech only a few minutes with his equip.
 

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Check out my CTS here: http://www.fquick.com/FL01SS
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1,651 Posts
We have crappy range because the antenna is a tiny little strip of metal stuck to the top of the rear window. I did some experiments a while back and was able to increase the range to 45 ft from any angle by attaching a wire to the factory antenna. I've been too busy lately to come up with a permanent solution though. I'm going to see if bridging the antenna to the rear defrost will work since the defrost is just a bunch of little metal lines, similar to the RKE antenna.
 

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Discussion Starter #14
We have crappy range because the antenna is a tiny little strip of metal stuck to the top of the rear window. I did some experiments a while back and was able to increase the range to 45 ft from any angle by attaching a wire to the factory antenna. I've been too busy lately to come up with a permanent solution though. I'm going to see if bridging the antenna to the rear defrost will work since the defrost is just a bunch of little metal lines, similar to the RKE antenna.
Thanks, I might try that, I was wondering were the antenna was. Is it easy to find?
 

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2006 STS V8 AWD, '95 Ford Ranger
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With my '01 Buick Regal GS you had to be within arms length. With my '04 CTS the range was about 25 feet. The range with my '06 STS with remote start is a couple of hundred feet.
 
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