For 2009 Toyota Matrix, Engine oil capacity 2.4 L 4-cylinder (2AZ-FE) engine:
With filter: 4.0 Quarts (3.8L)
Without filter: 3.8 Quarts (3.6L)
Checking the engine oil:
Park the vehicle on level ground. After turning off the engine, wait a few minutes for the oil to drain back into the bottom of the engine.
Hold a rag under the end and pull the dipstick out.
Wipe the dipstick clean.
Reinsert the dipstick fully.
Holding a rag under the end, pull the dipstick out and check the oil level.
Wipe the dipstick and reinsert it fully.
Note: SAE 5W-20 or 0W-20 engine oil may be used. However, SAE 0W-20 is the best choice for good fuel economy and good starting in cold weather.