moto g 2014 text messages or emails won't play thru car bt

My new moto g 2014 (5.0.2) won't play texts or emails thru my 2015 toyota rav 4 bt audio. The first time I had the phone in the car and had pasired the car system had askedme if i wanted this feature and i said yes, and then it worked. a week or so later it doesn't. no error message - they just never appear on car screen and play. I have tried soft reset and also re-pairing with no change. Also, have tred with or without moto assist with no change.