Mazda 3 Sedan 2020 Owner's Manual page 416

Interior Features
Climate Control System
▼ Sunlight/Temperature Sensor
The climate control system measures
inside and outside temperatures,
humidity and sunlight using the
sunlight/temperature sensor. It sets
temperatures inside the cabin
accordingly.
CAUTION
Do not obstruct both sensors,
otherwise the climate control system
will not operate properly.
Sunlight sensor
1. Sunlight sensor
Interior temperature sensor
1. Interior temperature sensor
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