Rear seat pulls up and out . Then there are 2 or 4 bolts that hold the back of the seat in place. you will have to also disconect the speaker wire .
Drain or petcock should be a the lower of rear of radiator or remove lower radiator hose
From the inside of the trunk
under rear seat
the battery is located underneath the rear seat ,remove rear seat by pulling upward on front of rear seat remove from car.next remove both + and- cables then completely remove bracket that holds battery.remove battery,andsame directions in reverse order
What year? Most are rear disc from some where around 79 and on?
It's located under the rear passenger seat.
the battery is located under the rear seat.
You unscrew it :S
from underneath the car you can get right to them
Check your rear pads and brake calipers
It is the automatic air leveling system. If it runs constantly you have a blown rear shock.
If it's like all the Riviera models from '95 thru '99, it's under the rear seat, passenger side.