1. Remove the windshield wiper arm and blade. (See WINDSHIELD WIPER ARM AND BLADE REMOVAL/INSTALLATION.)
2. Remove the cowl grille.
3. Remove the windshield wiper motor. (See WINDSHIELD WIPER MOTOR REMOVAL/INSTALLATION.)
4. Remove in the order indicated in the table.


5. Install in the reverse order of removal.
Shroud panel removal/installationMazda 6 Service Manual: Installation of radio system
If a radio system is installed improperly or if a high-powered type is used,
the CIS and other systems may be affected. When the vehicle is to be equipped
with a radio, observe the following precautions:
Install the antenna at the farthest point from control modules.
Install the antenna fe ...
Mazda 6 Service Manual: Radio Reception
AM characteristics
AM signals bend around such things as buildings or mountains and bounce off the
ionosphere.
Therefore, they can reach longer distances than FM signals.
Because of this, two stations may sometimes be picked up on the same frequency
at the same time.
FM characteristics
An ...