Saw an ad in today's The Straits Times for $8 off rides at Grab. Works for existing and new users of Grab. See ad
Screenshot of T&Cs
Valid on JustGrab, GrabCar, GrabCoach, GrabFamily, GrabPet and Standard Taxi only.
Update: Appears the code is only for rides to/from the Tempur Experiential Centre (Tiong Bahru). Good if you need to go there or somewhere nearby?
This promo is only valid "to and from Tempur Experiential Centre". It's not clear on that small image you uploaded, but the description is also on https://sg.tempur.com/warehouse-sale.html