Volkswagen Polo Service & Repair Manual: Run-Flat Tire, Retrofitting/Conditions for use of Run-Flat Tires
			
			
			
	
		
		
			
				
				
					    
					Caution 
				
					
						| Using run-flat tires on vehicles is permitted only 
						if the run-flat tire is supplied with the vehicle either 
						as standard equipment or as an option. | 
					 
				 
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				| Because pressure loss in a run-flat tire is not always 
				visible, these tires should only be used on vehicles equipped 
				with a tire pressure monitoring system. This system warns the 
				driver when the tire pressure falls below a certain value. | 
			 
		 
		
			
				| The following are permitted: | 
			 
		 
		
			
				| Direct measuring systems. Refer to 
				→ Suspension, Wheels, Steering; Rep. Gr.44. | 
			 
		 
		
			
				| Indirect measuring systems. Refer to 
				→ Suspension, Wheels, Steering; Rep. Gr.44. | 
			 
		 
		
			
				| Only mount run-flat tires on disc wheels with an extended 
				double hump (extended hump - EH2). Refer to 
				→ Chapter „Identification“. | 
			 
		 
		
			
				| Pay close attention to the installation instructions. Refer 
				to 
				→ Chapter „Tires, Mounting“. | 
			 
		 
		
			
				| Do not install both run-flat tires and standard tires, even 
				if the two tires on each axle will be the same. | 
			 
		 
		
			
				| A standard tire can only be installed in exception cases for 
				a short time or a limited driving distance. The specific 
				characteristics designed for driving with a flat tire will not 
				be available. The driver must be informed of this. | 
			 
		 
		
			
				| Always Pay Attention to the Recommended Tire Brand. Refer to
				→ Wheel and Tire Guide; Rep. Gr.44. | 
			 
		 
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				Run-flat tires have a reinforced sidewall in comparison to 
				standard tires. This reduces the tendency for the sidewall to 
				roll when there is a loss of pressure and pre ...
   
 
   
	
		
		
			
				
				
					   
					WARNING
				
					
						
						Run-flat tires must be replaced after they have gone 
						flat.
					
				
				
					
						
						Pay cl ...
   
 
	 
	
	
		
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