I had trouble finding where to do this as well, but I just figured it out! Haha.
When you're signed into your account, go to: My devices - Then click on where it says "Movement alerts Enabled" - Then scroll down to where it says "Send messages to:" - Then you can add a phone number and select...
If you could post up what they changed/fixed/tweaked to fix that injector code I would appreciate that greatly. Haha. Mine started doing that at the end of the season last year, I brought it to Polaris and they did a few things that they think might have been causing the issue. However, when...