Volvo S60 - Manual (Page 253)

06 During your trip
Driving recommendations
06
253
2 parts water Down to –18 °F (–28 °C):
1 part washer solvent and 1 part water.
• Use Volvo Teflon Lock Spray in the locks.
• Avoid using de-icing sprays as they can
cause damage to the locks.