19 practical guides
Change a flat tire
Get safely from a flat tire to a correctly mounted temporary or full-size spare.
Read procedure →Change engine oil and filter
Drain old engine oil, replace the filter, refill carefully, and verify the result without guessing specifications.
Read procedure →Check engine oil
Read an engine-oil level accurately and recognize contamination or rapid loss.
Read procedure →Check tire pressure
Set cold tire pressure from the vehicle placard, not the tire sidewall maximum.
Read procedure →Inspect tire tread and wear
Check tread depth, damage, age, and wear patterns before they become a traction problem.
Read procedure →Check engine coolant
Check a cold cooling system without opening a hot, pressurized cap.
Read procedure →Check brake fluid
Inspect reservoir level and condition without masking brake wear or a leak.
Read procedure →Check washer fluid
Keep the windshield-washer system ready without confusing its reservoir with another fluid.
Read procedure →Check transmission fluid when applicable
Determine whether the transmission is owner-checkable before opening or adding anything.
Read procedure →Battery terminals and disconnecting
Identify terminals and disconnect or reconnect a conventional 12-volt battery safely.
Read procedure →Jump-start a vehicle
Use a compatible jump pack or donor vehicle while minimizing spark and polarity hazards.
Read procedure →Replace an engine air filter
Replace a serviceable panel filter without leaving an intake leak.
Read procedure →Replace a cabin air filter
Restore HVAC airflow by replacing a filter commonly located behind the glove box or cowl.
Read procedure →Replace windshield wiper blades
Fit the correct blades without allowing a bare wiper arm to strike the glass.
Read procedure →Inspect belts and hoses
Spot visible aging, leaks, and accessory-drive trouble before a roadside failure.
Read procedure →Inspect brake-pad wear
Make a basic visual assessment without treating it as a substitute for brake diagnosis.
Read procedure →Read tire size and service markings
Decode the key markings without using the sidewall maximum as the vehicle’s inflation target.
Read procedure →Tire rotation basics
Understand rotation patterns and why some vehicles cannot use a generic pattern.
Read procedure →Replace an owner-serviceable exterior bulb
Replace a conventional accessible bulb while recognizing sealed LEDs and high-voltage lighting.
Read procedure →