ExpiredRM18 OFF Rides with Grab Promo Code December 6, 2017 1717 Views RM3 OFF x 6 Grab rides with promo code L18 when booking a Grab ride. Valid on 6-12 December 2017. For Grabcar, GrabTaxi or JustGrab. Time from 10Am-10PM or 2,900 redemptions per day, whichever comes first. For selected passengers only.