When Clives types the gun range name in the search browser, the website URL is already in the address bar.
when Liv and Clive visit Harley at the gun range, Harley shows them a picture of his brother who died in the Max Rager massacre. Liv then mentions that that was the person whose hand they used to access the basement. IZombie has made it seem that the Johns Brothers were all "Johns" but the elevator responded with "thank you Jeffrey Grunderson, live to the Max!"
Cheryl says a co-worker who claims to be Austrian had a German grandfather, making a gesture implying that the German grandfather was Hitler. Hitler was, in fact, born in Austria.