tech2 is being phazes out, the [URL="https://www.obd2tool.com/goods-6981-High+Quality+GM+MDI+GM+Scan+tool+Plus+Lenovo+E49AL+Laptop.html"]GM MDI[/URL] as stated above will replace it fully very shortly, you can use tech2win for older vehicles, GENERALLY anything with the new style flip keys from general motors will require the MDI with GDS2 software. so those clone tech2s will be useless on both cruze’s you plan to work on. they may or may not work with the 07 silverado, depending ...