Lighting

Fog Lamps

~1min read
GMS Sierra: Fog Lamps. Fog Lamps

For vehicles with fog lamps, the control is located next to the exterior lamps control on the instrument panel, to the left of the steering column.

The ignition must be in the ON/RUN position for the fog lamps to come on.

GMS Sierra: Fog Lamps. When the fog lamps are turned on, the parking lamps automatically turn on. (Fog Lamps): Press to turn the fog lamps on or off. A light will come on in the instrument panel cluster.

Test yourself

A quick GMC Sierra quiz: every answer comes with an explanation and a link to the manual page.