Citing feedback from drivers, Grab said it would stop its GrabHitch service between 1:00am and 5:00am starting from next month.
The Consumers Association of Singapore has handled more than 1,100 'lemon law' cases, with more than two-thirds of them having been resolved satisfactorily.
For the sixth year in a row, the car industry is again at the top of the Consumers Association of Singapore's complaints list.
Another car parallel importer, SG Auto, has been flagged by CASE after incurring more than 20 complaints from customers in the past year.
Ace Drive has come under fire after the Consumers Association of Singapore (Case) received multiple complaints of the car rental firm.
For the second consecutive year, the automotive industry took top spot for drawing the most number of complaints, reported Case.
The number of complaints about car dealers has increased substantially this year, with most of them targeted at used car traders.
The car industry has most complaints from local consumers - according to Case - a sharp jump from the ninth place in 2011.