See also:

Audio Control Switch Operation (Steering Wheel)
When the audio unit is turned on, operation of the audio unit from the steering wheel is possible. NOTE: Because the audio unit will be turned off under the following conditions, the switches wil ...

Advanced Key Suspend Function
If one key is left in the vehicle or trunk and the second key is used to lock the vehicle, the functions of the advanced key left in the vehicle or the trunk are temporarily suspended to prevent t ...

Trailer Towing
The Mazda3 is not designed for towing. Never tow a trailer with your Mazda3. ...