2) Attaching a different antenna to the Onstar Module and running it either on a magnetic mount on the hood or possibly running it inside across from the we boost internal antenna so the signal would get boosted. The Fora platform includes forum software by XenForo. The bulletin was first issued in July 2021. Eligible for our Compatibility Guarantee. I've never done it myself and sounds like a tonne of work but if you already have your dash apart that might be a place to look. This cookie is set by GDPR Cookie Consent plugin. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/24\/Deactivate-Onstar-Step-1.jpg\/v4-460px-Deactivate-Onstar-Step-1.jpg","bigUrl":"\/images\/thumb\/2\/24\/Deactivate-Onstar-Step-1.jpg\/aid5943971-v4-728px-Deactivate-Onstar-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":728,"bigHeight":546,"licensing":"
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