See also:

Call volume
Adjusting the incoming or outgoing call volume may improve clarity if reception between callers is unclear. - Incoming calladjusting this setting allows you to hear a difference in volume. - ...

Receiving a call
When you hear the ring tone, push the button on the steering wheel. Once the call has ended, push the button on the steering wheel. NOTE: If you do not wish to take the call when you he ...

Battery
● Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. ● Make certain the terminal connections are clean and securely tightened. ● ...