• 83.00 General129
• 83.10 Ventilation9
• 83.20 Heating6
• 83.25 Automatic heater1
• 83.30 Air conditioning57
• 83.40 Air conditioning (automatic)22
• 83.50 Rear air-conditioning3
• 83.55 A/C compressor20
• 83.57 Temperature control2
• 83.65 Refrigeration units6
• 83.70 Auxiliary/supplementary heater92
• 83.75 Residual engine heat utilization system1
• 83.80 Fragrance system4