< All Topics Print How do I buy petrol vouchers on ROGER? UpdatedApril 20, 2022 1. Install and Register1. Log in or register by phone number. TAC number will be sent to you. Enter it accordingly.2. Tap on the Voucher button in the bottom navigation bar. 2. Tap the voucher you want 3. Tap Buy Now 4. Specify Quantity and Use ROGER CoinsYou can redeem as many ROGER Coins as you have. 5. Check out and complete paymentEnjoy your discounted petrol!