How things happen exactly is up to your GM. But if this was my table, I'd say that the team needs to decide between repainting the van and getting a new fake license for it (easiest method), or they should consider finding the evidence and editing or destroying it. In order to destroy or edit the evidence, the team would need to act very fast - assuming someone took that photo or was monitoring the camera, an organization-wide APB might have been put out.
The easiest thing is to change out the plates, color, and registration chip. Unfortunately, rules for this haven't been put in yet, so I'd probably fudge something for my players. Cost would likely be Rating x 200 nuyen for the license/chip. Paint would be a flat 500. Plates would probably be another 500, simply because they need to be clean and not reported missing any time soon. Total cost around 2,000 nuyen.
If your GM is clever, he/she will use this as an opportunity for a security goon to hire the team. The team does this job for nearly free, and the evidence disappears.