To change the way you are warned about speed cameras, select the Sounds and Warnings button in the Settings menu.
You can then set how you want to be warned for the different types of cameras and safety hazards. You can change settings for whether you want to be warned, never warned or warned only if you are speeding.
For example, to change how you are warned when you approach a fixed speed camera, do the following:
Tip: To turn off all audible warnings, select Settings, followed by Sounds and Warnings and then switch off Warning sounds.