Correctional Services said that “matters are under control” at Johannesburg’s Sun City Prison on Wed.
The Giriyondo border post between Mozambique and South Africa has become a gateway for car-smuggling criminals.
Police recently made the discovery after a number of stolen vehicles were seized just before they could be driven into Mozambique.
Sowetan has learnt that, had the hijacking of Lucky Dube's Chrysler-3000 been successful, the reggae icon's luxury sedan would have been smuggled via this corridor into Mozambique.
In August, a number of vehicles were recovered at the post.
A Toyota Land Cruiser with a quad bike and a Nissan bakkie were recovered on the Mozambican side of the border.
Police said the vehicles were stolen from Northam near Thabazimbi in Limpopo.
Chris Nel of the Phalaborwa police said: "The suspect abandoned the vehicles at the side of the border when they realised police were following them."
The Giriyondo border post was officially opened by the heads of states of South Africa, Mozambique and Zimbabwe to strengthen tourism between the three countries.
There were a strong indications that a buyer was already waiting in Mozambique to buy Dube's Chrysler-3000.
A man connected to the musician's hijacking, Charles Silinda, who has a home in South Africa, is alleged to be the mastermind behind the fatal highjacking.
Captain Andriao of the South African border post said: "I can only comment after investigations are completed."