A system and method for controlling a vehicle (100), the vehicle (100) having an autonomous mode of operation, the system comprising: one or more sensors (102) configured to measure one or more parameters associated with an operator (110) controlling the vehicle (100) to perform a first operation; and one or more processors (106) configured to: determine that measurements taken by the one or more sensors (102) fulfil one or more predetermined criteria; responsive to determining that the measurements taken by the one or more sensors (102) fulfil the one or more predetermined criteria, determine a second operation for performance by the vehicle (100); and control the vehicle (100) in the autonomous mode such that the vehicle (100) performs the second operation.