Check the following oils and fluids at regular intervals, e.g. when refuelling:
- Engine oil
- Power steering fluid (not cars with 4-cyl. engine)
- Washer fluid
Remember that the radiator fan (located at the front of the engine compartment, behind the radiator) may start automatically some after the engine has been switched off.
Always have the engine cleaned by a workshop - an authorised Volvo workshop is recommended. There is a risk of fire if the engine is hot.