Welcome to priusChat !! @Texas Hybrid Batteries (Matt) can sort you out, but you will have to DIY install or find someone who can. Prius Speedometer Replacement
Just to update the treatment, it’s baccccccckkkkkkk. Thanks to JC for the serial number guidance. Confirmed it was all R for the fourth letter. Car is tonal again. Doesn’t drain when I used the AC and the charge stays.