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Brake support systems -> Brake servo for Your Volkswagen Polo SUV Seventh Generation (2021-2025)

ESC control intervention to reduce the risk of skidding and improve driving stability . The indicator lamp flashes yellow.  
ESC can intervene with holding assistance when moving off on uphill slopes with a gradient of up to around 30% →  
.
Traction control system (TCS)  
TCS control intervention to prevent the wheels from spinning. The indicator lamp flashes yellow.  
TCS reduces the drive output if wheelspin occurs and adapts the output to suit the road surface conditions. The TCS makes it easier to  
pull away, accelerate and drive up hills →  
.
Anti-lock brake system (ABS)  
ABS prevents the wheels from locking during braking so that the vehicle can still be steered →  
.
Brake Assist system  
BAS can help to reduce the stopping distance. If the driver depresses the brake pedal quickly in an emergency braking situation, the  
BAS will increase the braking force →  
.
Electronic differential lock (EDL and XDS)  
EDS brakes a spinning wheel automatically and distributes the drive force to the other drive wheels.  
XDS is an extension of the electronic differential lock and improves traction by braking interventions in order to keep the vehicle on its  
intended course.  
Automatic Post-Collision Braking System  
If the airbag control unit has detected a collision in an accident situation, the Automatic Post-Collision Braking System will initiate  
braking automatically.  
Requirements for automatic braking:  
The driver does not press the accelerator.  
Brake servo  
The brake servo will only function when the engine is running and reinforces the pressure applied by the driver on the brake pedal.  
If the brake servo is not functioning or the vehicle is being towed, the brake pedal will have to be depressed more forcefully as the  
braking distance will be increased due to the lack of assistance for the brake system →  
(→ Brake support systems).  
WARNING  
Driving without the brake servo or with restricted brake servo function can considerably increase the braking distance. This can lead  
to accidents with serious or fatal injuries.  
Never switch the engine or ignition off while the vehicle is in motion.  
Press the brake pedal with more force if the brake servo is not working or if the vehicle is being towed.  
Always keep the footwell under the pedals clear so that the brake pedal can move freely.  
Driving situations  
To prevent any safety risk, brake support systems should not be switched off under normal conditions →  
.
WARNING  
With the ESC switched off, there is a much greater chance of the vehicle breaking away. Inexperienced drivers may find it difficult to  
control the vehicle when driving at high speeds. This can result in accidents and serious or fatal injuries.