Neither your Vibe nor your sister's Vibe have an actual theftlock radio. Theftlock radios used by GM require a data bus in the car, where the radio is connected to the car's computer and other things. SInce the Vibe is mostly Toyota, there is no GM data bus in the car. GM uses the same basic radio ...

I have no idea if the OP is subscribed to this thread but if so, I'd like to know the resolution.

Thanks.

I bought a 2007 Vibe today. It seems to be in great shape, with only 65K miles. The factory stereo isn't working too well, though. It's got the radio that has buttons above the CD slot. There's also a speaker (sub woofer?) on the right side of the rear hatch area. I can hear some AM stations but the...