Attention calling system for vehicle

An attention calling system for a vehicle, which calls attention of a driver when an attention level of the driver to driving the vehicle is lowered, comprising:

• attention level estimation means for estimating the attention level of the driver;
• abnormal behavior detection means for detecting a predetermined abnormal behavior of the vehicle;
• and
• alarm means including tactile information-presenting means for presenting tactile information via a tactile sense to the driver,
• wherein said alarm means performs presentation of the tactile information by said tactile information-presenting means, as an alarm for calling attention of the driver, on condition that the estimated attention level of the driver is lower than a predetermined level and the abnormal behavior of the vehicle is detected.