See also:

Use of Additives
With the exception of gas line antifreeze during winter months, do not add solvents, thickeners, or other store-bought additives to your vehicle's fuel, cooling, or lubricating systems. Overus ...

Changing coolant
Normally, the coolant does not need to be changed. If the system must be drained, consult a trained and qualified Volvo service technician. Do not top off with water only. This reduces the rust- ...

Resume set speed
If cruise control has been deactivated temporarily, it can be reactivated by pressing . The vehicle's speed returns to the most recently set speed. WARNING There may be a significant increas ...