1. Open the hood of your Jetta.
2. Locate the exhaust manifold on the driver's side of the engine compartment. It is a large, metal tube that runs from the engine block to the catalytic converter.
3. The starter is located behind the exhaust manifold. You may need to remove some of the heat shields to see it clearly.
4. The starter is a cylindrical-shaped object with electrical wires connected to it.
If you are having trouble locating the starter, you can consult your vehicle's owner's manual or a repair manual specific to your vehicle model.