See also:

Engine Exhaust (Carbon Monoxide)
WARNING. Do not drive your vehicle if you smell exhaust gas inside the vehicle: Engine exhaust gas is dangerous. This gas contains carbon monoxide (CO), which is colorless, odorless, and poisonou ...

Under the Hood
The Mazda3 i comes standard with a 148-horsepower, 2.0-liter four-cylinder engine that can team with a five-speed manual or five-speed automatic transmission. Mazda3 s models use a 167-hp, 2.5-lit ...

Head Restraints
Head restraints are intended to help protect you and the passengers from neck injury. WARNING. Always drive with the head restraints installed when seats are being used and make sure they are pr ...