The grips on the left and right of the steering wheel can be warmed up.

The ignition must be switched ON.
Press the switch to turn on the heated steering wheel. The heated steering wheel operates for about 30 minutes and then turns off automatically.
The indicator light illuminates when the heater is operating.
To turn off the heated steering wheel before the 30 minutes has elapsed, press the switch again.
CAUTION
The following types of persons should be careful not to touch the steering wheel. Otherwise, it could cause a lowtemperature burn.
Steering Wheel Adjustment
MirrorsMazda 6 Owners Manual: Clutch switch inspection
Note
Perform the following inspection only when directed.
Continuity Inspection
1. Verify that the clutch switch is installed properly.
2. Disconnect the negative battery cable.
3. Remove the clutch switch.
4. Inspect for continuity between the clutch switch terminals using an
ohmmeter. ...
Mazda 6 Owners Manual: Cooling system service warnings
COOLING SYSTEM SERVICE WARNINGS
Warning
Never remove the radiator cap or loosen the radiator drain plug
while the engine is running, or when the engine and radiator are hot.
Scalding coolant and steam may shoot out and cause serious injury. It may
also damage the engine and cooling sys ...