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January 23, 2020 Service bulletin

Some customers may complain that their seat warmers or seat ventilation do not turn on when the engine is...

Mazda technical service bulletin SA-016-20 for 2019-2020 Mazda MAZDA3, 2019-2020 Mazda CX-5 and 2018-2020 Mazda MAZDA6 and others.

Bulletin number
SA-016-20
Component
Seats
Summary
Some customers may complain that their seat warmers or seat ventilation do not turn on when the engine is restarted after being left on when turning off the engine. The logic has changed from previous Mazdas where the seat warmers and seat ventilation automatically turned on when the engine was restarted. NOTE: Customers in cold weather are more likely to complain about this if their vehicle is equipped with Mazda Mobile Start (MMS) (not available on Mazda3 or CX-30) because the MMS accessory instructions state the seat warmers WILL turn on when the engine is restarted. The same can happen in the hotter weather with the seat ventilation. This information is incorrect for these vehicles. Both features will now require a manual setting every time the vehicles are restarted after being turned off. Consult the vehicle’s owner’s manual for more details on proper seat warmer/seat ventilation operation.

Owners of these vehicles have filed 6 complaints in the seats category.

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