You see a car on the hard shoulder of a motorway with a HELP pennant displayed. This means the driver is most likely to be

Explanation: If a disabled driver's vehicle breaks down and they are unable to walk to an emergency phone, they are advised to stay in their car and switch on the hazard warning lights. They may also display a 'Help' pennant in their vehicle.

Category: Incidents, Accidents and Emergencies

References: The Official DVSA Guide to Driving: Section 15, Highway Code: Rule 278