Thanks very much. I will try those.

Thanks Harry, as soon as I posted I made the connection that it was using OBD for speed in the overlay. (I'm a little slow sometimes :-) In expert settings I found "Force Overlay GPS Speed" - I re-exported and this at least fixed my speed overlay. I'm going to switch to a OBDLink MX+ The T...

Is is just a coincidence that I am dropping speed and OBD info in some corners? OBD is a Tonwon BTLE, iphone 7 (lastest update). Gran Prix V22.1 https://lh3.googleusercontent.com/-Kojnp2GZJ6G9Szgxx4BsNqz2OeZNmjFNvRbO-N7iOJ7dVOuLBMh2EBR10Zfer4wGKxmHG6jxCQ4ul5HJTx0vdZci3AMo_3tF1pf4MFr9QiPWJq503SHDXUkr...