• 83.00 General137
• 83.10 Ventilation33
• 83.20 Heating5
• 83.25 Automatic heater8
• 83.30 Air conditioning77
• 83.40 Air conditioning (automatic)84
• 83.50 Rear air-conditioning14
• 83.55 A/C compressor61
• 83.57 Temperature control8
• 83.60 Rear heater1
• 83.65 Refrigeration units1
• 83.70 Auxiliary/supplementary heater160
• 83.75 Residual engine heat utilization system3
• 83.80 Fragrance system4