Open glove box at left-hand side. Pull relay off multiple plug.
Possibilities of checking relay: Pull relay off multiple plug. Connect tag 85 to + and tag 86 earth (or, alternatively, 86 to + and 85 to earth). If a clicking noise is to be heard during this check, the relay is in good order.
Pull relay off multiple plug and apply 12 V current to plugs 85 and 86. In so doing, the relay must exercise a pulling force, which is audible due to a clicking noise.