Thank you for your interest in the ACCE event. Here are some information for parking in Downtown Markham Mall.. Parking: underground and ground parking available and is free of charge. If using underground parking, there are two elevators, one is for the 169 building and the other one is for 179. The elevator for 169 building is located next to the security hub. If using ground parking, the entrance is beside Cha Time and the elevator is located beside the security desk in the middle of the mall.