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I took a look at the license that's provided:
- GM images from this Web site are protected by copyright but provided for use under a Creative Commons 3.0 License for the purpose of editorial comment only. The use of these images for advertising, marketing, or any other commercial purposes is prohibited. These images can be cropped, but may not be altered in any other way, and each should bear the credit line "© GM Company." General Motors makes no representations with respect to the consent of those persons appearing in these photos, or with regard to the use of names, trademarks, trade dress, copyrighted designs or works of art or architecture that are not the intellectual property of General Motors.
I've highlighted the key elements, which essentially translates to a Non-Commercial and No Derivatives tags on the Creative Commons license. As such they're not usable by Commons - from COM:L: "Media licensed under non-commercial only licenses are not accepted as well."
||This user has been blocked indefinitely.