Abstract: The present invention relates to a door protection system (1) for protecting the doors (5A-D) of a vehicle (3). The door protection system (1) includes a processor (7) configured to receive obstruction data identifying the position of one or more obstructions (O) in relation to the vehicle (3). The processor (7) determines the proximity of each vehicle door (5A-D) to the obstruction(s) and outputs a notification signal based on the determined proximity. A door position signal can be received from a door position sensor (29A-D) associated with each door (5A-D). The processor (7) can determine the proximity of each vehicle door (5A-D) to the obstruction(s) based on the door position signal in combination with the obstruction data. In an alternate arrangement, the door protection system (1) is configured to monitor one or more vehicle systems to determine when a vehicle occupant is preparing to open the vehicle door (5A-D).