If You Wanna Chords & Tabs
real quick but i think i got the basics of it feel
free to comment or add to this.
[ Tab from: https://www.guitartabs.cc/tabs/t/the_vaccines/if_you_wanna_tab.html ]
e---------------------------------------|
b-----------------------------7---7-----|
g-----7-7-------7----------7-7-9-9-9-7--|
d- 7-9-----7-9-9---9-7--7-9-------------|
a---------------------------------------|
E---------------------------------------|
played twice and hold the last 7.
not sure on how exact to the song this is ,but its a start on an easy riff
cheers!