Add punctuation: If you use an operating system lower than IOS 4 you can change the volume by using the volume control of NAVIGON select
A: If you use an operating system lower than IOS 4, you can change the volume by using the volume control of NAVIGON select.

Add punctuation: The technology does not have the capacity to track the use of a personal computer or digital imaging tool and consumers will not notice any difference in the performance or effectiveness of products equipped with this technology
A: The technology does not have the capacity to track the use of a personal computer or digital imaging tool and consumers will not notice any difference in the performance or effectiveness of products equipped with this technology.

Add punctuation: Pay attention to tension in the wood
A:
Pay attention to tension in the wood.