My 98 Range Rover HSE has a problem with the ac. The left side blows cold when started up, but the right side blows hot air and the dreaded book! sign shows up on the right side of the LCD readout. I tried switching a couple of the relays that are in the box under the hood labeled AC and the problem remains the same. I hope this is something simple. Could it be a fuse problem? I haven't even looked in the passenger side fuse box yet.