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Despite the advantages of transmission and chassis control systems, it is still the driver's responsibility to adapt his driving style and maneuvers in line with road and weather conditions, as well as the traffic situation.
The increased safety that is provided should not induce you to take greater risks with your safety. The limits set by the physics of driving cannot be overcome.
These systems cannot reduce the risk of accidents due to inappropriate speed.
Porsche Traction Management (PTM)
Porsche Traction Management (PTM) ensures the best possible power distribution to the four driven wheels on the front and rear axles. The system always controls power distribution in such a way that optimal propulsion is achieved, even on an unfavorable road surface.
PTM is active at all times and, unlike PSM, cannot be switched off.
Advantages of PTM
Porsche Torque Vectoring Plus (PTV Plus)
(Cayenne, Cayenne S, Cayenne GTS,
Cayenne Turbo, Cayenne Turbo S)
PTV Plus is a control system for lateral dynamic braking intervention for sportier and more agile cornering and features an electronically controlled rear differential lock.
PTV Plus improves steering behavior and steering precision with gentle braking interventions - which are not even noticed by the driver - on the inside rear wheel when cornering. The vehicle follows the steering angle of the front wheels more precisely.
Understeering at the stability limit is almost fully prevented. This in turn enhances the lateral-acceleration potential. Higher cornering speeds are then possible.
The electronically controlled rear differential lock continuously checks the driving situation of the vehicle and distributes the drive torque to the rear axle as required. This has the following advantages:
Porsche Stability Management (PSM)
PSM is an active control system for stabilization of the vehicle during extreme driving maneuvers.
Advantages of PSM
PSM is switched on automatically every time you start the engine.