Toyota 2015 Prius Owner's Manual page 518

STEP 4
Securely attach a cable or chain to the towing eyelet.
STEP 5
Take care not to damage the vehicle body.
Enter the vehicle being towed and start the hybrid system.
STEP 6
If the hybrid system does not start, turn the "POWER" switch to ON
mode.
Shift the shift position to N and release the parking brake.
STEP 7
While towing
■
If the hybrid system is off, the power assist for the brakes and steering will
not function, making steering and braking more difficult.
Wheel nut wrench
■
Wheel nut wrench is installed under the center auxiliary box. ( P. 537)
PRIUS_OM_OM47A17U_DVD_(U)
5-1. Essential information
Tighten down the towing eyelet
securely using a wheel nut
wrench or hard metal bar.
5
499