My Saturn's Radio has A.D.D.

.... be verwy verwy caerwful, wabbit.

If the radio starts to drift to a station that speaks only to you ...

... you just might be in a Twilight Zone ..

... or a Ray Bradbury story.

:-)

... there are worse places..

John T.

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IIRC, there may be a setting for Local or RDS stations. Have you tried toggling these settings/buttons and see if the radio keeps the frequencies? Sounds like your radio is somehow "auto-tuning", even though I am unaware of any such feature.

If the vehicle is still under warranty, have GM fix it. If not, probably best to get an aftermarket radio installed by an independent car audio shop. HD radios are coming down in price and you will find that there are more features now available in newer radios. Oppie

"Bart Collins" wrote in message news: snipped-for-privacy@no-mx.forums.travel.com...

Thanks for the hints, I took the car to my local GM dealer and because they could not duplicate the problem, pretty much blew me off. It is intermittent and will work for a couple of days and then wander 3 or 4 times in a 30 minute commute. I guess I'll go to the GM Zone manager:(

"Bart Collins" wrote in message news: snipped-for-privacy@no-mx.forums.travel.com...

Intermittent problems are a bear to track down.

as an electronic engineer, let me explain to you the nature of your problem, the probable causes and the recommended corrective action. (in a VERY simplified way), the process of AM / FM radio receiving entails the generation of a frequency from what it is called a LOCAL OSCILLATOR [LO]. this frequency must keep a given difference with the one of the station you are trying to capture. the process is known as "tuning". the receiver has an internal reference oscillator, known as "the crystal oscillator" [XO], which frequency MUST BE rock stable within the specified temperature range of the receiver. the LO is synthesized from the XO. in your case, that is not happening. probable causes could be some impurity in the chemical composition of the crystal used for the XO, or probably some imperfection in the assembly process of your radio. when the car has been in the sun, in a very hot summer day, the temperature buildup will "shift" the XO, and therefore the LO. in production, radios are functionally tested at room temperature, that=92s why the defect might not had been noticed. my recommendation is that you replace the radio.

good luck,

danielR