Owner's Manual
Page 29
...ignition is activated, the LED AUT comes on in cold climates to activate the Air quality sensor (normal setting). The air quality sensor detects increased levels of odors and contaminants entering the car. When the Air quality sensor is turned off, the blower may be... defroster functions. Or select one of three functions by an authorized Volvo service technician only. R134a. When the air quality sensor detects contaminated outside air enters the car. no outside air, the air intake closes and the air inside the passenger compartment is used in a severely contaminated environment, ...
...ignition is activated, the LED AUT comes on in cold climates to activate the Air quality sensor (normal setting). The air quality sensor detects increased levels of odors and contaminants entering the car. When the Air quality sensor is turned off, the blower may be... defroster functions. Or select one of three functions by an authorized Volvo service technician only. R134a. When the air quality sensor detects contaminated outside air enters the car. no outside air, the air intake closes and the air inside the passenger compartment is used in a severely contaminated environment, ...