The invention relates to a securing device (1), which has a front hood (2) and a hood lock (3) with a lock holder (10), for a motor vehicle. The hood lock (3) has a rotary latch (4) with a pre-latching position and a main latching position in which the front hood (2) is closed and locked, an electric drive (5) which switches the rotary latch (4) from the main latching position into the pre-latching position, and a bayonet-type closure system (13) with a closed position, a release position, and an intermediate position. In the closed position, the rotary latch (4) is located in the main latching position; in the intermediate position, the rotary latch (4) is located in the pre-latching position and the lock holder (10) is engaged with the rotary latch (4); and in the release position, the lock holder (10) is released by the rotary latch (4) and the front hood (2) is unlocked.