Toyota Matrix 2009 Owner's Manual page 227

4-3. Do-it-yourself maintenance
NOTICE
n To prevent serious engine damage
Check the oil level on a regular basis.
When replacing the engine oil
n
Be careful not to spill engine oil on the vehicle components.
l
Avoid overfilling, as the engine could be damaged.
l
l Check the oil level on the dipstick every time you refill the vehicle.
Be sure the engine oil filler cap is properly tightened.
l
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