See also:

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

Compatibility
The following models are compatible: ● iPod 5th Generation version 1.2.3 ● iPod Classic - version 1.1 ● iPod Touch - version 2.1* ● iPod Nano - 1st generation version 1 ...

Precautions on seat belt usage
If you are wearing your seat belt properly adjusted, and you are sitting upright and well back in your seat with both feet on the floor, your chances of being injured or killed in an accident ...