Lexus 2008 IS250 Owner's Manual page 383

5-2. Steps to take in an emergency
STEP 2
STEP 3
STEP 4
Stow the flat tire, tire jack and all tools.
STEP 5
386
Install the spare tire and loosely
Tapered portion
tighten each nut by hand to
approximately the same amount.
Disc wheel
sheet
Lower the vehicle.
Firmly tighten each nut two or
three times in the order shown in
the illustration.
Tighten the wheel nuts until the
tapered portion comes into loose
contact with the disc wheel sheet.
Tightening torque:
76 ft•lbf (103 N•m, 10.5 kgf•m)