Mercedes-Benz GL-Class 2008 Owners Manual - Manual (Page 505)

504
Practical hints
Replacing bulbs
Bulbs
Safe vehicle operation depends on proper
exterior lighting and signaling. It is there-
fore essential that all bulbs and lamp as-
semblies are in good working order at all
times.
Correct headlamp adjustment is extremely
important. Have headlamps checked and
readjusted at regular intervals and when a
bulb has been replaced. See an authorized
Mercedes-Benz Light Truck Center for
headlamp adjustment.
i If the headlamps or front fog lamps are
fogged up on the inside as a result of high humid-
ity, driving the vehicle a distance with the lights
on should clear up the fogging.
i Substitute bulbs will be brought into use
when the following lamps malfunction:
ț Turn signal lamps
ț Brake lamps
ț Parking lamps
ț Tail lamps
Read and observe the messages in the multi-
function display (
୴ page 477).
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