The head of VW cars in the UK has apologised "unreservedly" for "significantly" letting down its customers in the diesel emissions scandal.
It comes days after the American boss of VW made a 'sincere apology' over the scandal which has affected more than 11 million cars worldwide.
UK customers affected by the Volkswagen emissions scandal want compensation, a survey has found.
The German car-maker has not confirmed whether owners of cars fitted with the software used to cheat environmental tests in the US will be awarded a payout.
Earlier this week Volkswagen's UK boss Paul Willis said it was "premature" to discuss compensation.
Mr Willis is due before the Commons environmental audit committee this morning.
Around 1.2 million vehicles in the UK are affected by the scandal.
Volvo withdrew an app comparing cars' emissions in 2011, after being told by that the data "could not be taken seriously".
Volkswagen's US boss has admitted he was told in spring last year of the emissions cheating affecting millions of the company's vehicles.
Volkswagen could start recalling cars containing emissions cheating software in January, according to the firm's new chief executive.