See also:

Three-way catalyst
The three-way catalyst is an emission control device installed in the exhaust system. Exhaust gases in the three-way catalyst are burned at high temperatures to help reduce pollutants. WARNI ...

Automatic operation
Cooling and/or dehumidified heating (AUTO): This mode may be used all year round. The system works automatically to control the inside temperature, air flow distribution and fan speed after the prefe ...

Active Noise Control (ANC)
By identifying undesirable sounds in the cabin and then playing back through the speakers sound waves of opposite phase, the original noises are cancelled out, making the M's interior a quieter, m ...