lock warning light

Faults and Technical chat for the Mazda CX-3
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March
Posts: 24
Joined: Thu May 02, 2019 3:23 pm

lock warning light

Post by March » Thu May 28, 2020 10:04 am

Whenever the passenger door is opened and shut with the engine running, the red key with '!' illuminates.
The manual says to take it straight to a dealer as when the engine is switched off it may not start again.
However, it did restart and the fault cleared and reset.

Any thoughts anyone?

cyanstar
Posts: 13
Joined: Sat Feb 08, 2020 6:21 pm

Re: lock warning light

Post by cyanstar » Tue Jun 16, 2020 8:15 pm

Could be that the battery in the key fob is running low.

I only ever see that symbol come on if the key isn't in the car, but reading the notes for "KEY indicator light (green)" it states that the key may be shown as red if the battery is low, the key is not within operational range, the key can't be detected as it's in a difficult location to find(think inside of a handbag for example) or there is another key with a similar remote start feature within the car.

https://owners-manual.mazda.com/gen/en/ ... 10200.html
CX-3 1.5D SE-L NAV 2015 Soul Red - UK

March
Posts: 24
Joined: Thu May 02, 2019 3:23 pm

Re: lock warning light

Post by March » Wed Jun 17, 2020 2:03 pm

Interesting - thank you

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