Toyota PRIUS C 2019 Manual page 510

510
8-2. Steps to take in an emergency
Installing the compact spare tire
Remove any dirt or foreign mat-
1
ter from the wheel contact sur-
face.
If foreign matter is on the wheel
contact surface, the wheel nuts
may loosen while the vehicle is in
motion, causing the tire to come
off.
Install the spare tire and loosely tighten each wheel nut by hand by
2
approximately the same amount.
When replacing a steel wheel
with a compact spare tire,
tighten the wheel nuts until the
tapered portion comes into
loose contact with the disc
wheel seat.
When replacing an aluminum
wheel with a compact spare
tire, tighten the wheel nuts until
the tapered portion comes into
loose contact with the disc
wheel seat.
PRIUS c_U
Tapered portion
Disc
wheel
seat
Tapered portion
Disc
wheel
seat