Human: How can I make sure my car is in good working order? Assistant: 
To ensure your car is in good working order, you should check the following:
1. Check the oil level and change it if necessary.
2. Check the tire pressure and replace any tires that need to be replaced.
3. Check all fluid levels including the brake, power steering, coolant, windshield wiper fluid, and transmission fluid.
4. Have the engine checked by a qualified mechanic.
5. Make sure the air conditioning system is functioning properly.
6. Test the brakes and other systems to make sure they are operating correctly.
7. Have the battery tested.
8. Perform an emissions test if required by law.