In engineering mode the very first option should be vin, scrolling down should show you the other options.
Engineering mode is reached by simultaneously hold the up, and N button after plugging in the tuner, and continuously holding them until it says engineering mode.
simple, and yes you have to write stuff down to e-mail them.
After I sent several e-mails back and fourth to LMS on this eventually I had sent in my VIN and all this info below to get it right. They'll need the ECU ID the Strategy code, and the serial number from the tuner device.
ECU Strategy
KHDK3TA.H32
ECU SW PART ID
DG1A 14C204 FH
VIN
1FAHP2KT7DG
128045
AIW SERIAL # 15*****
Part No. 45002
7-59609-04867-7
then you will get an e-mail like this.
1. Download the following 2 files from the following links. Be sure to download both files to SAME folder on the PC.
a. Download file 1 at
http://www.webservice99.com/downloads/tunerupdateapplication/V2/current/setup.exeb. Download file 2 at
http://www.webservice99.com/downloads/tunerupdateapplication/V2/current/UpdateInstallV2.msic. Note the location on the PC as to where these files are being saved.
2. Go to the location on the PC where the 2 files were downloaded to.
3. The following two files should be present (setup.exe and UpdateInstallV2.msi).
4. Double-click (run) file setup.exe. This will start the installer that installs the Tuner Update Software.
5. Follow the on screen prompts as usual to installupdate the application.