Schedule 2 : (Unique Driving Conditions) For USA, CANADA, And Puerto Rico

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Repeated short-distance driving
Driving in dusty conditions
Driving with extended use of brakes
Driving in areas where salt or other corrosive materials are used
Driving on rough or muddy roads
Extended periods of idling or low-speed operation
Driving for long periods in cold temperatures or extremely humid climates

Fig 1: Identifying Scheduled Maintenance Table (Unique Driving Conditions)
Courtesy of MAZDA MOTORS CORP.