CNET: Toyota recalls 2019 Prius, RAV4 Hybrid for faulty brake assist
A handful of Lexus hybrids are also part of the recall.
From CNET
The 2019 Toyota Prius and RAV4 Hybrid are subject to a new recall that surrounds a fault in the brake assist systems in both cars. According to documents Toyota filed with the NHTSA, the new recall specifically surrounds an issue with the brake booster.
While the 2019 Prius and RAV4 Hybrid make up the majority of the recalled cars, a few other models are also included.