D54.61-0016-06
P4 Tachograph
P11 OBD system
D54.61-0017-01
1 Indent slot on driver side
2 Indent slot on co-driver side
3 Time group switch with eject button on driver side
4 Time group switch with eject button on co-driver side
T1 Function button
T2 Function button
T3 Function button