Q: Your vehicle is fitted with an anti-lock braking system. When should you check that it's working properly?
        
        
            
                Correct answer:
                
                    Before every journey
                
             
        
            
                Explanation
            
            
                Modern anti-lock braking systems rely on electronics for their operation. A warning light on the dashboard shows that the system is operating. This light will usually go out when the vehicle reaches about 6 mph (10 km/h).