Navigation icon near battery?

Basically an on iPhone 3GS, near my battery icon there's a arrow looking icon lot slanted to the right, am guessing that's the navigation icon, can someone tell me how to switch that off or take it off? Would be most helpful

What IOS version are you running?
If you double tap the home button a single line bar with all runnings apps should open. You may be able to close all running apps (hold your finger down on the first and hit the cross).
I'm sure that you can turn of navigational services from your settings also (GPS Services or something along the lines of)

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