My car heats up what could be the cause?
You say heats up? Do you mean the antifreeze is overheating? If so the your water pump could be bad, your thermostat could be closed, your fan cooling motors may not be turning on. There is allot to look for...
Search Volvo S40 Questions
Are you a UK consumer? CarGurus now has a discussion forum in the UK.
Volvo S40 Experts