See also:

AUX, USB AND iPod® PORT
If your vehicle has an aux and/or USB(universal serial bus) port or iPod port, you can use an aux port to connect audio devices, a USB port to plug in a USB, and an iPod port to plug in an iPod. ...

Tires and wheels
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Exhaust Pipe and Muffler
Visually inspect the exhaust pipes, muffler and hangers for cracks, deterioration, or damage. Start the engine and listen carefully for any exhaust gas leakage. Tighten connections or replace part ...