2012 Toyota Prius Owners Manual - Page 510

2-1. Driving procedures ● Situations where the shift position will automatically change to N: • When the P position switch is pressed while the vehicle is running. *1 • When an attempt is made to select the R position by moving the shift lever when the vehicle is moving forward.*2 • When an attempt is made to select the D position by moving the shift lever when the vehicle is moving in reverse.*3 • When an attempt is made to change the shift position from R to B by moving the shift lever. 1 * : Shift position may be changed to P when driving at extremely low speeds. 2 *2: Shift position may be changed to R when driving at low speeds. *3: Shift position may be changed to D when driving at low speeds.