Police are investigating an incident at Helensvale and Robina yesterday afternoon, Queensland Police say.
Around 1.30pm two men attended a shopping centre car park on Milaroo Drive in a black Mitsubishi Lancer sedan.
The passenger approached a man who had just parked his BMW sedan.
He produced a knife and placed the man in a headlock before demanding his keys, which were handed over.
He then attempted to start the vehicle but was unable to do so before re-entering the Mitsubishi sedan and driving off.
The 41-year-old man did not sustain any physical injuries.
Around 2.15pm the men attended an address on Fairlight Ave in the Mitsubishi sedan. The passenger approached a woman who had just parked her white BMW X3 station wagon Queensland registration 981WCO in the garage.
The man produced a knife and demanded her to exit the vehicle.
She complied, and the man drove off in her vehicle.
The Mitsubishi sedan also drove off.
The 43-year-old woman did not sustain any physical injuries.
Investigations are continuing.
Anyone with information which could assist with this matter should contact Crime Stoppers anonymously.
