Cars after 1993 went to the R134a referigerant. And yes R12 or Freon is was banned by the US in an international treaty for it's link to ozone depletion. I think if they actually make recharge kits, it's a DIY job.
You can buy all kinds of A/C recharge kits, but this is the Best AC Recharge Kit. You can reuse the gauge on any screw top cans, so you don’t need to keep buying the gauge over again every year. Plus, the A/C Pro product has a seal conditioner in it to soften internal seals and reduce leakage.