Vehicle pedal arrangement, comprising - a support (2, 2') configured for being fixed to a vehicle, - a rotating shaft (3, 3') coupled to the support (2, 2'), - a pedal (4, 4') comprising a first end (4a, 4a') and a second end (4b, 4b'), the first end (4a, 4a') comprising a shoe (45, 45'), - a retention member (5, 5') which, under normal operating conditions, retains the pedal (4, 4') in the support (2, 2') such that it can pivot with respect to the support (2, 2') on said rotating shaft (3, 3'), and - actuating means which, in the event of a head-on collision, move the retention member (5, 5'), at least partially releasing the pedal (4, 4') from the support (2, 2'), - under normal operating conditions the retention member (5, 5') retains the pedal (4, 4') against the rotating shaft (3, 3'), such that when the actuating means move said retention member (5, 5') the pedal (4, 4') is no longer retained against the rotating shaft (3,3'), and - the pedal (4, 4') comprises at the second end (4b, 4b') a retaining housing (40, 40') and an opening (41, 41'), such that under normal operating conditions the rotating shaft (3, 3') is arranged in said opening (41, 41') and the retention member (5, 5') is at least partially housed in said retaining housing (40, 40') supported against the rotating shaft (3, 3'), retaining said rotating shaft (3, 3') in said opening (41, 41'), characterized in that - the actuating means comprise a pyrotechnic actuator (6, 6') configured for being activated in the event of a head-on collision, - wherein under normal operating conditions, the pyrotechnic actuator (6, 6') is arranged in a housing (51, 51') of the retention member (5, 5'), the retention member (5, 5') comprising a pushing surface (52, 52') which is arranged facing an actuating surface (60, 60') of the pyrotechnic actuator (6, 6'), such that when the pyrotechnic actuator (6, 6') is activated, the actuating surface (60, 60') cooperates with the pushing surface (52, 52') by moving the retention member (5, 5'). - a support (2, 2') configured for being fixed to a vehicle, - a rotating shaft (3, 3') coupled to the support (2, 2'), - a pedal (4, 4') comprising a first end (4a, 4a') and a second end (4b, 4b'), the first end (4a, 4a') comprising a shoe (45, 45'), - a retention member (5, 5') which, under normal operating conditions, retains the pedal (4, 4') in the support (2, 2') such that it can pivot with respect to the support (2, 2') on said rotating shaft (3, 3'), and - actuating means which, in the event of a head-on collision, move the retention member (5, 5'), at least partially releasing the pedal (4, 4') from the support (2, 2'), - under normal operating conditions the retention member (5, 5') retains the pedal (4, 4') against the rotating shaft (3, 3'), such that when the actuating means move said retention member (5, 5') the pedal (4, 4') is no longer retained against the rotating shaft (3,3'), and - the pedal (4, 4') comprises at the second end (4b, 4b') a retaining housing (40, 40') and an opening (41, 41'), such that under normal operating conditions the rotating shaft (3, 3') is arranged in said opening (41, 41') and the retention member (5, 5') is at least partially housed in said retaining housing (40, 40') supported against the rotating shaft (3, 3'), retaining said rotating shaft (3, 3') in said opening (41, 41'), characterized in that - the actuating means comprise a pyrotechnic actuator (6, 6') configured for being activated in the event of a head-on collision, - wherein under normal operating conditions, the pyrotechnic actuator (6, 6') is arranged in a housing (51, 51') of the retention member (5, 5'), the retention member (5, 5') comprising a pushing surface (52, 52') which is arranged facing an actuating surface (60, 60') of the pyrotechnic actuator (6, 6'), such that when the pyrotechnic actuator (6, 6') is activated, the actuating surface (60, 60') cooperates with the pushing surface (52, 52') by moving the retention member (5, 5').