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Start/stop system -> Troubleshooting for Your Volkswagen Polo SUV Seventh Generation (2021-2025)

When the engine is switched off, certain vehicle systems do not function or function only to a restricted extent, e.g. brake servo or  
power steering. As a result, more force has to be used for steering and more pressure has to be applied to the brake pedal to stop the  
vehicle. If the vehicle is in motion, this can cause loss of control over the vehicle, accidents and serious or fatal injuries.  
Never switch off the engine while the vehicle is in motion.  
WARNING  
The airbags and belt tensioners do not function when the engine is switched off. This can result in accidents and serious or fatal  
injuries.  
Never switch off the engine while the vehicle is in motion.  
WARNING  
When the ignition is switched off, the steering lock may activate and you will no longer be able to steer the vehicle. If the vehicle is in  
motion, this can cause loss of control over the vehicle, accidents and serious or fatal injuries.  
Never switch off the ignition while the vehicle is in motion.  
NOTICE  
If the start/stop system is used in very high outside temperatures over a long period, the 12-volt vehicle battery can be damaged.  
Avoid using the start/stop system at very high outside temperatures.  
Engine no longer starts automatically  
1. Start the engine manually (→ Starting the engine).  
2. Deactivating the start/stop system manually (→ Start/stop system).  
3. In this case, go to a suitably qualified workshop and have the system checked. Volkswagen recommends using an authorised  
Volkswagen repairer.  

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