Open the hood and look on the driver side towards the firewall and you will see the brake master cylinder with a cap on it. Just unscrew the cap and fill with brake fluid to the full line seen on the side of the reservoir.
If you have further questions feel free to reply.
Thanks for asking and Happy Holidays!
They sure do stick it way back there,,,,you just have to sneak you hand back there to get to it :-(
Best of luck my friend!
Most auto parts stores will give you a hand for free.
Unfortunatly there isnt.....just a real poor design...