Which part of car repair and maintenance can be done by yourself?

As someone who doesn't know much about car repair, with proper guidance and preparation, you can do some basic car repair and maintenance tasks yourself. Here are some steps suitable for beginners:

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   1. Change the oil and oil filter
   Difficulty: Low
   Tools required: Jack, safety stand, oil filter wrench, funnel, oil pan, new oil and filter.
   Steps: Lift the vehicle, drain the old oil, change the filter, and add new oil.
   2. Change the air filter
   Difficulty: Low
   Tools required: Screwdriver or wrench (depending on the model).
   Steps: Open the air filter box, remove the old filter, put in the new filter, and reinstall the filter box.
   3. Change the air conditioning filter
   Difficulty: Low
   Tools required: Screwdriver or barehanded operation (depending on the model).
   Steps: Find the air conditioning filter location (usually behind the glove box or in the engine compartment), remove the old filter, and put in the new filter.
   4. Replace wiper blades
   Difficulty: Low
   Tools required: No special tools, usually done by hand.
   Steps: Lift the wiper arm, press the release button or buckle, remove the old wiper blade, and install the new wiper blade.
   5. Check and add fluids
   Difficulty: Low
   Tools required: Funnel.
   Steps: Check the levels of engine oil, coolant, brake fluid, power steering fluid, and windshield washer fluid, and add if necessary.
   6. Replace spark plugs
   Difficulty: Medium
   Tools required: Spark plug wrench, socket wrench, torque wrench.
   Steps: Remove the ignition coil or spark plug wire, remove the old spark plug with a spark plug wrench, install the new spark plug and tighten it to the specified torque.
   7. Replace tires
   Difficulty: Medium
   Tools required: Jack, wrench, tire removal tool, tire pressure gauge.
   Steps: Lift the vehicle, remove the old tire, install the new tire, and tighten the bolts to the specified torque.
   8. Clean the throttle
   Difficulty: Medium
   Tools required: Screwdriver, throttle cleaner, rag.
   Steps: Remove the intake pipe, spray the cleaner to clean the throttle, wipe it dry and reinstall it.
   9. Replace the brake pads
   Difficulty: Medium-high
   Tools required: Jack, safety stand, wrench, C-clamp.
   Steps: Lift the vehicle, remove the tire, remove the old brake pad, install the new brake pad, and reinstall the tire.
   10. Check and replace the light bulb
   Difficulty: Low
   Tools required: Screwdriver or bare hands (depending on the model).
   Steps: Open the light cover, remove the old bulb, and install the new bulb.
   11. Wash and wax
   Difficulty: Low
   Tools required: Car wash liquid, sponge, towel, car wax.
   Steps: Wash the car body, wipe it dry, wax and polish it.
   12. Check the tire pressure and tread
   Difficulty: Low
   Tools required: Tire pressure gauge, tread depth gauge.
   Steps: Use a pressure gauge to check air pressure and a depth gauge to check tire tread depth.
   Learning Resources
   Repair Manuals: Purchase or download a repair manual specific to your vehicle to learn the steps.
   Online Tutorials: Learn repair techniques through platforms such as YouTube.
   Communities and Forums: Join a community of car enthusiasts and ask experienced people for advice.
   Safety Tips
   Use a jack and safety stand: Ensure your vehicle is stable to avoid accidents.
   Wear protective gear: Protect yourself, such as gloves and goggles.
   Follow the instructions: Follow the instructions carefully to avoid damaging the vehicle or getting injured. 
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   Through these basic tasks, you can gradually gain experience and improve your car repair skills.