Taxi company, ComfortDelGro, has introduced a S$5 promo code from now till 30 June 2020.
To enjoy the discount, simply key in promo code BTW05 when booking the cab using the ComfortDelGro Taxi Booking app.
You can download the app here for Apple users or here for Andriod users.
This promo code can be used twice a week.
Images from ComfortDelGro Taxi