Let's compile the codes here

UBER
Use the promo code “UBERIS4ME” to get RM20 worth two free rides. Valid for first time users in 2016.
Use the promo code “UBERINMK” to get 16% off on your next 3 rides to or from Mont Kiara or Hartamas.Use the promo code “FITNESSFIRST” to get 20RM worth free ride.
Apply the promo code “THANKYOUMK” to get 10% off on your next 3 rides to or from Mont Kiara or Hartamas.
Use the promo code “TRYUBERINKL” to get 5 free rides worth 18RM each.
Use the promo code “THANKYOUKLCC” to get 20% Ooff on your next two ride to or from the KLCC area
Use “UBERZIPANGU” to get two free rides worth 30RM each (i.e. total worth 60RM for two rides) to Shangri-La hotel
Use code “LINGTHEN” to get 20% off your next 3 rides. Max RM15 off and valid in Klang Valley only
MYTEKSI/GRAB
Use the promo code “GCFEB3″ to gst RM2 off for 5 rides.
Use the promo code “GCFEB2” to get RM3 off for 3 rides.
Heading to Penang Hot Air Balloon Fiesta 2016 this 9 -10 February 2016? Key in the promo code “HAB16″ and enjoy RM8 x 2 off your rides to/from Penang Hot Air Balloon Fiesta 2016 at Padang Polo.
Use the promo code “GRABCARSOSAFE” to get RM10 off on your next grab car ride.
Use the promo code “WORTHYGC” to get RM10 off your grab car ride for first time users for 2 rides.
Use the promo code “THESHORE” from now till 28 Feb 2016 and get RM10 off your MyTeksi rides TO or FROM The Shore Shopping Gallery in Melaka.
No booking fee for mytexsi rides in Shal Alam. Use the promo code “SAY15” to get RM2 off for 20 rides.