Method performed by a control arrangement of a vehicle; the vehicle including: - a driveline arranged for providing a torque T q_wheel to at least one drive wheel (111, 112), the driveline including at least one engine, a clutch and at least one automated manual transmission gearbox; and - at least one brake (151, 152, 153, 154, 155) arranged for braking the vehicle; the method is characterised by including: - simulating, when the vehicle is travelling in an uphill slope using an initial gear G init of the at least one automated manual transmission gearbox, at least one speed profile v sim-1, v sim-2,..., v sim-n for a downshift to, and a usage of, at least one gear G init-1, G init-2,..., G init-n of the at least one automated manual transmission gearbox being lower than the initial gear G init in the uphill slope; - determining that a minimal speed v min_1, v min_2,... v min_n of each one of the at least one simulated speed profile v sim-1, v sim-2,..., v sim-n has a value indicating that the actual speed v act of the vehicle will be less than or equal to zero; v sim-1 ≤0; v sim-2 ≤0,..., v sim-n ≤0; in the uphill slope; - opening the clutch before the actual speed v act of the vehicle is reduced to a value less than zero; v act <0; - activating the at least one brake (151, 152, 153, 154, 155); - shifting the at least one automated manual transmission gearbox to a start gear G start; - closing the clutch; and - deactivating the at least one brake (151, 152, 153, 154, 155). the vehicle including: - a driveline arranged for providing a torque T q_wheel to at least one drive wheel (111, 112), the driveline including at least one engine, a clutch and at least one automated manual transmission gearbox; and - at least one brake (151, 152, 153, 154, 155) arranged for braking the vehicle; - a driveline arranged for providing a torque T q_wheel to at least one drive wheel (111, 112), the driveline including at least one engine, a clutch and at least one automated manual transmission gearbox; and - at least one brake (151, 152, 153, 154, 155) arranged for braking the vehicle; the method is characterised by including: - simulating, when the vehicle is travelling in an uphill slope using an initial gear G init of the at least one automated manual transmission gearbox, at least one speed profile v sim-1, v sim-2,..., v sim-n for a downshift to, and a usage of, at least one gear G init-1, G init-2,..., G init-n of the at least one automated manual transmission gearbox being lower than the initial gear G init in the uphill slope; - determining that a minimal speed v min_1, v min_2,... v min_n of each one of the at least one simulated speed profile v sim-1, v sim-2,..., v sim-n has a value indicating that the actual speed v act of the vehicle will be less than or equal to zero; v sim-1 ≤0; v sim-2 ≤0,..., v sim-n ≤0; in the uphill slope; - opening the clutch before the actual speed v act of the vehicle is reduced to a value less than zero; v act <0; - activating the at least one brake (151, 152, 153, 154, 155); - shifting the at least one automated manual transmission gearbox to a start gear G start; - closing the clutch; and - deactivating the at least one brake (151, 152, 153, 154, 155). - simulating, when the vehicle is travelling in an uphill slope using an initial gear G init of the at least one automated manual transmission gearbox, at least one speed profile v sim-1, v sim-2,..., v sim-n for a downshift to, and a usage of, at least one gear G init-1, G init-2,..., G init-n of the at least one automated manual transmission gearbox being lower than the initial gear G init in the uphill slope; - determining that a minimal speed v min_1, v min_2,... v min_n of each one of the at least one simulated speed profile v sim-1, v sim-2,..., v sim-n has a value indicating that the actual speed v act of the vehicle will be less than or equal to zero; v sim-1 ≤0; v sim-2 ≤0,..., v sim-n ≤0; in the uphill slope; - opening the clutch before the actual speed v act of the vehicle is reduced to a value less than zero; v act <0; - activating the at least one brake (151, 152, 153, 154, 155); - shifting the at least one automated manual transmission gearbox to a start gear G start; - closing the clutch; and - deactivating the at least one brake (151, 152, 153, 154, 155).