I have a 2007 TL, when the car is cold (first thing in the morning) I have been getting a high pitch sound out of my stereo along with the music. Once the car warms up a little bit, it goes away. The warm up can take several minutes. I noticed this problem once last summer on a very hot day with the air conditioning running but it was continuous for about 20 minutes or so. Now, I hear this sound everytime I start the car up and the temperatures are in the 40's and below. Anyone experience this at all?

Also, when the air conditioning is on, I noticed a moaning kind of sound under the hood which is noticable pulling up to a drive through with the window down or sometimes when accelerating. I never noticed that before either.

 

Regarding the Radio on cold mornings, I've had the same issue. Unfortunately, I don't have a solution. It's a tough one to describe to the service people b/c the car has already warmed up by the time I get there. If anyone else has the issue and fixed it, it would be good to know how.

 

I have a 2004 Acura TL that has soft static on the rear speaker/s when the vehicle is cold such as after a cold night. The static goes away after about 5 minutes of the engine running. I discovered that the static also disappears when the ignition is turned off and the radio is operating off the battery only. The selected audio source doesn't make a difference. I also get the static if I engage the bluetooth phone system. I can't figure out what part is defective. I would love to find out a solution if someone has figured this out.

 

I get the static when i turn on my defrosters, i think it could be something with loose wiring for the atenna