See also:

Specifications
Engine Electrical System *1 ex factory CAUTION. When cleaning the iridium plugs, do not use a wire brush. The fine particulate coating on the iridium alloy and platinum tips could be damaged. ...

Operation Using Advanced Keyless Functions
Operational Range The system operates only when the driver is in the vehicle or within operational range while the advanced key is being carried. NOTE: When the battery power is low, or in place ...

Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. Your Mazda will perform best with fu ...