PHO2GR4 - It can be done either way. The shocks come with a little dial selector with positions from 0 - 9 for firmness. Most owners climb underneath, set them, and forget about them. They also make a remote kit so that you can adjust them from inside the cabin, but I've heard they are difficult to install and trouble-prone.
Calmini Cone Air Filter, PowerVault PV2 Muffler, OME Trooper Springs, Rancho RS9000X Shocks, 285/75R16 Nitto Grappler AT's, Pioneer DEH P8000R In-Dash CD, Amps and Drivers Built by Orion, Wires and Fuse Blocks by KnuKonceptz, Vibration Damping by BQuiet, Alarm System featuring Auto Start and Remote Windows, Yakima LoadWarrior w/Full Size Spare, Debadged/Custom Titanium Grill Logo, Tint (5% Rear / 20% Front), Steel Braided Brake Lines, G2 Painted Calipers