I recently had my battery replaced when I noticed the same thing happen to me. I replaced one mode door actuator with no change. I think the head unit needs to be reprogrammed at the factory for my issue. I'll write back after I try this.
There are two fuse boxes on a 2002 Envoy One under the Rear seat on the drivers side and one under the hood on the drivers side.
it is located to the front of the engine on the drivers side..
It is on the drivers side of the block.
You will need to check the dash controller to make sure that it is operating correctly first for both sides..............
On a 2004 envoy it is under the hood on the drivers side toward the firewall it is probably in the same place on an 05 model.
It is located attached inside the frame rail on the drivers side about even with the seat. www.trailvoy.com All the answers for your Envoy from true enthusiasts!
I have a 05 Envoy XL Denali, and yes the radio will shut off when you open the door after the key is removed
Thue insrtument fuse panel for the 98 GMC Envoy is at the drivers side just inside where the door meets the dash. The engine compartment Fuse Block is right behind the Washer Fluid Tank on the drivers side of the engine compartment.
Theres two one is under the hood on drivers side and the 2nd one is under back seat on the drivers side
Along the drivers side frame rail just ahead of the tank.
Through the dipstick hole. Only way to do it. www.trailvoy.com Trailblazer and Envoy enthusiast forum!
Filter is located on the drivers side frame rail at about midway. Remember to disconect the battery and have a small container to catch residual gas that leaks back through the system. About a cup.