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Disconnect XM Antenna?

3462 Views 19 Replies 11 Participants Last post by  LooseBolt
I'm not a fan of XM or especially how the radio defaults to it each time. Now I get the commercial station because my trial ran out, and I know that's going to get on my nerves even more although it's better than hearing the same set of 3 songs on Lithium each time, maybe "Closing Time..." ugh

Anyway, I was thinking, if the XM antenna somehow got disconnected, instead of instant commercials each time I turn the car on, I may be greeted with sweet, sweet silence or light white noise.

Does anyone know if there's a pain-free and reversible way to do this? Is the XM antenna in the fin? Is there any access to where it plugs into the head unit?

Thanks for any insight!
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My audio defaults to whatever I was last playing, when I don't have a XM subscription it never comes on unless I select XM for audio source? Can you just select a radio station and see if that resolves it for you?
Same as wonderbolt - stays where I was last using it. I use a USB with recordings that I like. The "radio" comes on with the same place it was playing when I turned off the car. FYI like you my free subscription ran our 2 days ago.
Odd Behavior. Is it possible you have an XM station in your favorites that may be causing a problem. I have XM but it always comes on to the last played station whether XM or FM.
Interesting. A few other people reported this around the site so I figured it was standard for it to default that way. I'll try clearing favorites and such. Thanks!
deleted the preloaded XM favorites on day one. car always defaults to my FM radio. and if I turn the volume down before exiting the car, the radio is silent when the car is started.
deleted the preloaded XM favorites on day one. car always defaults to my FM radio. and if I turn the volume down before exiting the car, the radio is silent when the car is started.
If you prefer there is actually a feature called "max start up volume" which you can turn all the way down to "13" page 177 of the owner's manual (2017 version anyway)

"Radio Settings"

Touch Settings, then touch
Radio Settings.

. Maximum Start-up volume:
Set the Maximum start-up
volume from 13 to 37.
If you prefer there is actually a feature called "max start up volume" which you can turn all the way down to "13" page 177 of the owner's manual (2017 version anyway)

"Radio Settings"

Touch Settings, then touch
Radio Settings.

. Maximum Start-up volume:
Set the Maximum start-up
volume from 13 to 37.
good tip. OP @quiddity has several options to avoid
instant commercials each time I turn the car on
If you prefer there is actually a feature called "max start up volume" which you can turn all the way down to "13" page 177 of the owner's manual (2017 version anyway)

"Radio Settings"

Touch Settings, then touch
Radio Settings.

. Maximum Start-up volume:
Set the Maximum start-up
volume from 13 to 37.
Who at GM came up with a volume range of 13 to 37?

It should be 0 to 11.

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I joined this forum specifically to answer this question. It's ridiculous that the radio comes on automatically, even at volume 13, whether I like it or not. Here I am with a potentially nearly silent car, and GM has to f* it up with forcing me to listen to SiriusXM until I angrily turn it off. I really want to take a crowbar to the antenna shroud and cut some wires.
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If you prefer there is actually a feature called "max start up volume" which you can turn all the way down to "13" page 177 of the owner's manual (2017 version anyway)

"Radio Settings"

Touch Settings, then touch
Radio Settings.

. Maximum Start-up volume:
Set the Maximum start-up
volume from 13 to 37.
Thanks! I really needed this info. I would prefer to be able to set it to any number, but I'll take 13!
Registered an account here specifically to complain about this bs.
I bought a 40k dollar car, not some knockoff android phone, yet they鈥檝e loaded it up with crapware that can鈥檛 be deleted all the same. It is infuriating.

no, I am NEVER ..,. Nuh-heeee-vaaaaa-heerrrrr going to pay for useless subscription services like onstar or XM. it is not going to happen even if you spam the **** out of me with an ad on the radio every time I turn it on.

i have a phone in my pocket. I already have GPS, and Spotify, and the ability to call 911.

It is enough to make me seriously consider what it鈥檇 take to hack the firmware because this bull crap has got to go. I won鈥檛 stand for it.
Registered an account here specifically to complain about this bs.
I bought a 40k dollar car, not some knockoff android phone, yet they鈥檝e loaded it up with crapware that can鈥檛 be deleted all the same. It is infuriating.

no, I am NEVER ..,. Nuh-heeee-vaaaaa-heerrrrr going to pay for useless subscription services like onstar or XM. it is not going to happen even if you spam the **** out of me with an ad on the radio every time I turn it on.

i have a phone in my pocket. I already have GPS, and Spotify, and the ability to call 911.

It is enough to make me seriously consider what it鈥檇 take to hack the firmware because this bull crap has got to go. I won鈥檛 stand for it.
1) Welcome to the forum!
2) I am not totally sure I understand your complaint. Is it that your radio defaults to XM when you turn it on? If so, just change the radio station, and it should default to whatever you left it on last.
3) What kind of Bolt do you own?
...no, I am NEVER ..,. Nuh-heeee-vaaaaa-heerrrrr going to pay for useless subscription services like onstar or XM. it is not going to happen even if you spam the **** out of me with an ad on the radio every time I turn it on.

i have a phone in my pocket. I already have GPS, and Spotify, and the ability to call 911...
Hi there - welcome to the forum!

I haven't seen it on this thread, but other threads have mentioned the "Sirius XM channel 0" trick. Basically, channel 0 is a silent channel that just displays your XM radio ID number. If you set the audio system to that channel, it will remain silent when you restart the car.

I use that trick because I just use Android Auto with my phone to play music, display maps / directions, etc. It would also work with Apple CarPlay.

Hope this helps.
Hi there - welcome to the forum!

I haven't seen it on this thread, but other threads have mentioned the "Sirius XM channel 0" trick. Basically, channel 0 is a silent channel that just displays your XM radio ID number. If you set the audio system to that channel, it will remain silent when you restart the car.

I use that trick because I just use Android Auto with my phone to play music, display maps / directions, etc. It would also work with Apple CarPlay.

Hope this helps.
Oh hey that's good info. I just put mine on FM and found a non annoying station but this sounds even better.

An aside, I used to subscribe to XM, before the Sirius merger, and essentially before music on cell phones was a thing. I really enjoyed it. The hardware was pretty impressive too for the time. But, quality of the stations and programming dropped around when XM was sold and around the same time, phones, data plans, and music services all got a lot better. Also, Stern doesn't do anything for me, and I felt like their actual music side of things suffered greatly so they could afford him. Anyway it was good while it lasted back in the day.
1) Welcome to the forum!
2) I am not totally sure I understand your complaint. Is it that your radio defaults to XM when you turn it on? If so, just change the radio station, and it should default to whatever you left it on last.
3) What kind of Bolt do you own?
2020 Bolt Premier.

I hadn鈥檛 thought to tune to terrestrial radio, I鈥檒l try that thanks! Channel 0 sounds like a good option too. Thanks y鈥檃ll!

I usually just have my phone paired and listen off that. Every single time I start it, it defaults to XM, and apparently this cannot be changed ... which wasn鈥檛 too annoying before the subscription ran out. But now, I get blasted with an advertisement for XM every single time I turn the car on, and like I said ... it鈥檚 is absolutely infuriating, and I am not unaware of the coercive marketing tactic, which is completely unacceptable.

on top of that, there is no audio source mixer apparently? So if Ive got gps running on my phone, I cannot hear the phone鈥檚 directions if my phone is not selected as the audio source? And I cannot display the map on the huge iPad-esque thing on the dash either apparently?

and no Onstar account equals no telemetry even if my phone is plugged in?

These are the things that prompted my rant about crapware ... perhaps Im missing obvious solutions?
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2020 Bolt Premier.

I hadn鈥檛 thought to tune to terrestrial radio, I鈥檒l try that thanks! Channel 0 sounds like a good option too. Thanks y鈥檃ll!

I usually just have my phone paired and listen off that. Every single time I start it, it defaults to XM, and apparently this cannot be changed ... which wasn鈥檛 too annoying before the subscription ran out. But now, I get blasted with an advertisement for XM every single time I turn the car on, and like I said ... it鈥檚 is absolutely infuriating, and I am not unaware of the coercive marketing tactic, which is completely unacceptable.

on top of that, there is no audio source mixer apparently? So if Ive got gps running on my phone, I cannot hear the phone鈥檚 directions if my phone is not selected as the audio source? And I cannot display the map on the huge iPad-esque thing on the dash either apparently?

and no Onstar account equals no telemetry even if my phone is plugged in?

These are the things that prompted my rant about crapware ... perhaps Im missing obvious solutions?
You might be. And if you are, we'll point you in the right direction.
Everything you want to do can be accomplished through Android Auto/Apple CarPlay. What type of phone do you use?
You might be. And if you are, we'll point you in the right direction.
Everything you want to do can be accomplished through Android Auto/Apple CarPlay. What type of phone do you use?
just using a regular old iphone 7.
Wow! Ok I do feel a bit idiotish ... CarPlay was behind the 鈥減rojection鈥 menu and my phone had to be physically connected. Absolute night and day user experience. That plus setting XM channel zero as the default favorite gives me that warm and fuzzy back when I turn the car on again!

thanks for all your help everyone, sorry I came in so hot n鈥 snarky
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Wow! Ok I do feel a bit idiotish ... CarPlay was behind the 鈥減rojection鈥 menu and my phone had to be physically connected. Absolute night and day user experience. That plus setting XM channel zero as the default favorite gives me that warm and fuzzy back when I turn the car on again!

thanks for all your help everyone, sorry I came in so hot n鈥 snarky
For an even better experience check out a wireless CP adapter. My wife got me Ottocast for a gift and it's nearly perfect. The only issues are it takes about 10 sec to connect and when I fast forward Overcast from the paddles there is a slight delay (harder to skips the begging and ads). I'm delighted with it. Phone now stays in the pocket and no USB cables hanging around.
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