Sunlight sensor
Do not place objects on the sunlight sensor. Otherwise, the interior temperature may not adjust correctly.

Interior temperature sensor
Do not cover the interior temperature sensor. Otherwise, the interior temperature may not adjust correctly.

Windshield Defrosting and Defogging
Audio SystemMazda 6 Owners Manual: Vehicle speedometer sensor (vss) removal/installation
Caution
Water or foreign objects entering the connector can cause a poor
connection or corrosion. Be sure not to drop water or foreign objects on the
connector when disconnecting it.
If foreign materials are stuck to the VSS, disturbance by magnetic
flux can cause sensor output to be ...
Mazda 6 Owners Manual: Thermostat
THERMOSTAT REMOVAL/INSTALLATION
1. Remove the plug hole plate.
2. Disconnect the negative battery cable.
3. Drain the engine coolant. (See COOLING SYSTEM SERVICE WARNINGS.)
4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.)
5. Remove the washer tank.
6. Remove the P/S oil pump.
Note
...