How do I replace the DRL relay behind the glove box, doni have do disable the airbag system ?
Just unplug the relay and pop in a new one. The DRL(Daytime Running Lights) relay has nothing to do with the Air Bag. So, no you do not need to disable the airbag system.
Daytime Running Lamps (DRL) Relay Replacement
Removal Procedure
•Remove the lid from fuse and relay block #3.
•Remove the DRL relay from fuse and relay block #3 (1). Refer to the fuse and relay block lid for identification of the relays.