Toyota 2012 Prius Owner's Manual page 306

2-2. Instrument cluster
■
Switching the steering switch operation display on/off (if
equipped)
STEP 1
STEP 2
278
PRIUS PHV_OM_OM47818U_(U)
Select "STEERING SWITCH".
Press and hold the "DISP" button
to enter the setting mode.
Select "ON" or "OFF".
Press and hold the "DISP" button
to finish setting.