From what I know, headlight off timer is the delay timer for automatic turning off the headlights when you turn off the car with headlights on. Not sure about the other one since it’s not available on my 2015 model.
And better check your owners manual, I’m pretty sure it’s written somewhere in it.
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2015 Mazda3 Sport GT 2.5L MT
- Enkei TS10 18x8.5/50 Gold
- Borla S-Type Axle Back
- Eibach Pro-Kit
- CorkSport Rear Sway Bar
- CorkSport Rear Motor Mount
- CorkSport Short Shift Plate
- CorkSport Shifter Bushings
- CorkSport Front Strut Bar