Sure, you can always let the guy at the garage handle changing the spark plugs for you. However, if you are handy and have some basic tools, it is a relatively easy job that you can do yourself. It will save you some money and you will learn a new skill.

Here are the steps on how to change spark plugs:

1. Park your car on a level surface and turn off the engine.
2. Allow the engine to cool down before working on it.
3. Locate the spark plugs. They are usually located in the engine compartment, near the top of the engine.
4. Use a spark plug socket to remove the old spark plugs.
5. Apply a thin coat of anti-seize compound to the threads of the new spark plugs.
6. Install the new spark plugs and tighten them to the specified torque.
7. Start the engine and check for leaks.

If you are not comfortable changing the spark plugs yourself, then it is best to let the guy at the garage handle it. But if you are up for the challenge, it is a relatively easy job that you can do yourself and save some money.

Here are some additional tips for changing spark plugs:

* Make sure you have the right size spark plug socket for your vehicle.
* Use a torque wrench to tighten the spark plugs to the specified torque. Over-tightening can damage the spark plugs.
* Be careful not to cross-thread the spark plugs. This can damage the threads in the engine block.
* If you are not sure how to change the spark plugs, it is best to consult a repair manual or watch a YouTube video.

I hope this helps!
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