Success! 2019 Audi A5 – MLB Tool all prox and remote functions work as they should.

Lessons learned:

  1. (OEM Key) word means Xhorse Key on the key tool plus.
  2. Original Key is customer key that you have.
  3. Have to hold a battery in the Xhorse key while reading or generating. Same with original key.
  4. Update the key BEFORE you generate the dealer key. There are a lot of different key options. Match the frequency and the picture then update.
  5. We removed capacitors and did not replace. Keys works as before.
  6. Bring replacement key shells. You will likely destroy the original key shell when opening. Plus it is a nice touch to have a brand new case on the customer key.
    I practiced on used remotes. Opening and reading key date before working on customer keys.