See also:

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 ...

Front Seats (Manually Operated Seats)
WARNING: Do not modify or replace the front seats: Modifying or replacing the front seats such as replacing the upholstery or loosening any bolts is dangerous. The front seats contain air bag c ...

Six-Speed Manual Transmission
Both engines feature a manual six-speed transmission with a compact three-shaft design carried over from the original model. It has triple-cone synchronizers for first, second and third gears, and ...