Last night when leaving work the fans inside my car didnt seem to be warming at all as i drove home. Within about 5 mins a red warning light came on the dashboard so i pulled over and the engine was obviously overheating, the cooling fan was on and continued for approx 1 min after i switched the engine off. Ive had the car towed home. When I drove to work on the morning my car seemed fine, heaters were working, no problems at all. Do you have any idea whats wrong with my car please? also is it ok to drive? Thank you very much.