Sounds like you have a leak in the air suspension. Check out if it does or it will burn out the pump. Monroe makes a replacement set up for the " air -Ride". It runs you around a grand to have it replace the OEM design.
there is no way to adjust the ride height other then aftermarket suspension parts
you don't computer controlled, or replace the suspension (shudder) expensive.
No you can not, at least not with the original or OEM suspension.
you have to have a special height sensor tool that can adjust it for you, go to the local parts store and see if they sell it, or if your lucky enough to have a friend that has one.
what are the cars with independent suspension?
I am pretty sure the dealer can do it or you can but a NGS scan tool or something similar.
An arm control is a part of your cars suspension it holds together the cars body and wheels. www.ehow.com have some good videos on their site showing how to install and adjust them.
It is a valve in the brake lines going to the rear of the vehicle. It adjust the amount of fluid flow to the rear brakes depending on the height of the rear suspension. The lower the suspension, the more weight in the vehicle, the more rear braking power is needed.
Suspension- the springs that support the cars weight.
Yes, there are height sensors on both front air bags and 1 on the drivers side rear. All three can be adjusted.
The Torsion bar is a suspension component. It essentially "twists" ever so slightly to adjust ride height. This is adjusted by a special tool specific to the manufacturer.
if you take apart your head gasket and then replace the oil pump then you might not even have to adjust your suspension