• 83.00 General21
• 83.10 Ventilation21
• 83.20 Heating1
• 83.25 Automatic heater18
• 83.30 Air conditioning82
• 83.40 Air conditioning (automatic)37
• 83.50 Rear air-conditioning5
• 83.55 A/C compressor12
• 83.70 Auxiliary/supplementary heater132
• 83.75 Residual engine heat utilization system3