yeah..u gotta purchase the coupon thru www.togethergether.com then make appointment with Waxson thru phone calls/online. Engine compartment wash+detailing is RM30hi bro jojo, if jst walk in, can? or hve 2 book online? 1 more q, my engine compartment very dirty and greasy, think got oil leak, how much 2 wash or clean? thx.