One appliance and crew from West Ashland attended.
One man and one woman were released, uninjured, before they arrived.
One man was released, injured, before they arrived.
The firefighters provided immediate emergency care to the man, before passing him into the care of South Central Ambulance Service.
They also used an environmental pack to mop up around five litres of coolant which had spilled onto the road.
The incident was left in the hands of Thames Valley Police.