There are 60 underground parking spaces under the hotel with lift access up into the lobby. Drive in via Arenagatan in the left lane so that you drive down into the building and then continue through a culvert under the road to get to these spaces. Pay with a debit/credit card when you enter, or take a ticket and pay at the machine as you drive out of the parking garage. You can park here for 260 SEK/24h or 33 SEK/1h.
If you park higher up in the garage, the parking fee is 250 SEK/24h or 33 SEK/1h. You can either pay with a debit/credit card when you enter, or take a ticket and pay at the machine as you drive out of the parking garage.