See also:

Region Setting*
The audio system’s region setting will be lost when the battery is disconnected or goes dead. If the Region Select screen appears, you need to set the region for the audio system. Follow th ...

Features
This chapter describes how to operate technology features. ...

Checking the Battery
Check the battery condition monthly. Look at the test indicator window and check the terminals for corrosion. If your vehicle's battery is disconnected or goes dead:  - The audio system ...