SpecificsA few specifics about Volvo hybrid buses explained for you to consider while driving.Parking safety valve: When the parking brake is released while air pressure is low, the safety valve will engage and avoid the vehicle from moving. You then need to re-engage the parking brake, wait for the reservoir to rise to a sufficient pressure level and disengage the 22 23 safety valve. Now, the parking brake can be released.Door release: The passenger controls on the rear doors will only be released when turned on while standing. Also, the start blocking will not turn off if you operate the accelerator treadle before all doors close.Doors emergency release: If an emergency release button was pushed, you need to use the reset switch on the window console at the driver’s place.Articulation angle blocking: You can use the blocking release switch on the window console in the articulated bus to temporarily release the angle blocking.Hybrid drive: To fully use the potential of your hybrid drive, accelerate gently up to the 2nd gear. Brake smoothly, slow and steady to recuperate as many volts as possible.