2012 Volvo C30 Owner's Manual - Page 199

07 Wheels and tires Wheel nuts Wheel nuts Steel rims - type 1 wheel nuts Steel rims are normally secured using type 1 wheel nuts, although these rims may also be secured with type 2 nuts. WARNING Never use type 1 wheel nuts for aluminum wheels. This could cause the wheel to come loose. Aluminum wheels - type 2 wheel nuts Only type 2 wheel nuts can be used for aluminum wheels. NOTE Low nut High nut Three different types of wheel nuts may be used on your vehicle, depending on whether the wheels are steel or aluminum. Tightening torques: These nuts can also be used on steel wheels. Lockable wheel nut If steel wheels with lockable wheel nuts are used in combination with wheel covers, the lockable wheel nut must be fitted to the stud nearest the air valve. The wheel cover cannot otherwise be installed on the wheel. • Type 1 wheel nuts: 81 ft. lbs. (110 Nm) • Type 2 wheel nuts: 96 ft. lbs. (130 Nm) • Lockable wheel nuts: 81 ft. lbs. (110 Nm) 07 199