Today I got a warning message up on my wife's Yaris hybrid. The car had been driven about 10 miles yesterday and a couple miles today before I parked up and put my radio on. It was only only a few minutes when the message popped up (attached photo). I have had a read of the handbook and they talk of putting it in ready mode and leaving it to charge the Battery via the engine running. I don't particularly want to do that and would prefer to charge the Battery via my mains charger. Is wh