Go into the symbol box and simply type the first two letters of the Futures symbol you want to analyze. The software will pull up all of the different contracts for the futures symbols. This is very powerful and free charting software. It is provided by www.tradingview.com. Type CL and see for yourself.
CL1! – Continuous using front month : CL2! – Continuous using second month : CLH2017 [March 2017 Contract]