Mazda 6 Service Manual: No.19 exhaust smoke

No.18 cooling system concerns-runs cold

No.20 fuel odor (in engine compartment)

Other materials:

Mazda 6 Service Manual: Audio Set
NOTE The explanation of functions described in this manual may differ from the actual operation, and the shapes of screens and buttons and the letters and characters displayed may also differ from the actual appearance. Additionally, depending on future software updates, the content may succes ...

Mazda 6 Service Manual: Multi-Information Display and INFO Switch (Some models)
    The multi-information display indicates the following information. Odometer Trip meter Engine coolant temperature gauge Fuel gauge Outside temperature Distance-to-empty Average fuel economy Current fuel economy Maintenance Monitor ...