Late update but the local Mazda garage have agreed there's a fault with the fob and they're going to replace it. The problem appeared to be getting worse which made it easier to test, when the faulty fob wasn't working I couldn't get the car to unlock at all either pressing the button on the fob or ...

Have you eliminated a faulty key by testing the 2nd key? It's not been possible to do that as I don't know what's causing the problem in the first place, I've been checking the car during the day in the hope it doesn't unlock so I would have the chance to try the second key but so far it's been beh...

Yes I understand why the alarm is going off but what's puzzling is the car starts fine with the keyless start even though it's not unlocking. I've not done anything with the main battery as the car is working absolutely fine it's just it's refusing to unlock for some reason and the problem occurred ...

My Mum has a 2018 (68 plate) CX-3 Sport Nav+ petrol AWD with the keyless system and a couple of days when coming back to the car it wouldn't unlock with the keyfob, it didn't work when either pressing the button on the handle or pressing the unlock button on the keyfob, The red light on the keyfob w...

Thanks for the response on both points. I thought that was the case with the handbrake but wanted to double check she wasn't doing something wrong as it's not something I'm familiar with. That's a handy snippet from the manual so I'll keep a hold of that although thankfully I didn't need it this tim...

My Mum has just bought a 68 plate Mazda CX-3 2.0 petrol AWD manual and noticed this evening the lights were still on, I couldn't see the state of the car myself but I suspect she's accidentally knocked it from auto to sidelights which seems to keep the lights on when the car is off. I have a li-ion ...