The short answer is no! Vouchers/promotional codes are not cumulative: you can only use one voucher per service/rental.
In addition, the remaining value of a voucher can't be used on a subsequent trip.
The short answer is no! Vouchers/promotional codes are not cumulative: you can only use one voucher per service/rental.
In addition, the remaining value of a voucher can't be used on a subsequent trip.