1. Numerical Value
00 Serial Interface K1
08 Serial Interface K1 and K2 (M.Y. 1997)
32 Auxiliary fan not available as of (M.Y. 1997)

2. Numerical Value
00 Engine version over CAN from instrument cluster (as of M.Y. 1997)
+08 Blower motor bar graph switched on by AUTO
+16 Refridgerant fill level check switched off
+128 SMOG display switched off