See also:

Head Restraints
Your vehicle is equipped with head restraints in all seating positions except the Rear center seat to protect you and other passengers from neck injury. WARNING: Always drive with the head restra ...

Under the Hood
Mazda3 models now offer a choice of engines:   Standard  148-horsepower, 2.0-liter four-cylinder engine that teams with a five-speed manual or five-speed automatic transmission Opt ...

Engine Oil
NOTE: Changing the engine oil should be done by an Authorized Mazda Dealer. Recommended Oil Use SAE 5W-20 engine oil (Without turbocharger). Oil container labels provide important information. ...