Hi everyone. I am new to this site so not sure if I have posted to the right area.   Have just purchased a new 2021 Yaris Excel. Very happy with car so far but I seem to have a problem with the Road Sign Assist function. I am nor sure if I have done anything wrong in the settings or if the system is faulty or am I expecting too much?? I have set the speed alert to 3 mile over the road sign display. Now some of the time this works ok but most times if I go past a 30 or 40 or 50 MPH