Turn Off Warning Light Comes onWhile Driving

[Duffram1]

Hi,
I have a 2016 PHEV Gx3h+. Intermittently this warning light comes on while I'm driving but come to a stop at junctions, for example. Of course, as it's a PHEV, it also beeps.
View attachment Capture.PNG
I did wonder if the key fob battery was getting low, so the car 'thought' the key was no longer in the car. But having replaced the battery, it still happens every so often, but not every time.

Anmy ideas welcome.

Thanks

 

[user 2238]

Dodgy door switch? It's telling you to turn the car off as your door's open and it assumes you're leaving the vehicle.

 

[jaapv]

Where do you keep the key? If it is next to a cellphone, it might confuse the car.

 

[noxid1969]

Not sure if you have open/closed your boot in a while I had this at the weekend and it turned out the boot was closed but not completely, no indication it was open either. One good close later, no more indications (or BEEPS)