Lexus 2015 CT200H Owner's Manual page 553

Installing the spare tire
Remove any dirt or foreign matter
1
from the wheel contact surface.
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
2
tighten each wheel nut by hand by
approximately the same amount.
Tighten the wheel nuts until the tapered
portion comes into loose contact with
the disc wheel seat.
Lower the vehicle.
3
Firmly tighten each wheel nut two or
4
three times in the order shown in the
illustration.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)
Stow the flat tire, tire jack and all tools.
5
CT200h_OM_OM76134U_(U)
8-2. Steps to take in an emergency
Tapered portion
553
Disc wheel
seat
8