Originally Posted by
ND76
As you are traveling in F/J class, you would also have privileges at the KLM Crown Lounge in YYZ, which is shown as "situated opposite Gate C32 in Terminal 3 (take the lift to the AT floor). Opening hours: 08.30 AM - 11.00 PM"
They will not. Different terminal. For all intents and purposes, once airside, they are in the U.S. and trapped in one small (rather mundane) wing of YYZ.