Mercedes-Benz GLK Owners Manual
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Socket in the rear-compartment center console
Pull cover 2 out by its top edge. X Lift up the cover of socket 1.
...
Deactivating
Press and hold the closing button () in the tailgate until you
hear two short tones.
...
Making adjustments in 5 mph (Canada: 10 km/h) increments
Briefly press the cruise control lever beyond the pressure point, up 1 for a
higher speed or down 2 for a lower speed. The last speed stored is increased or
reduced. ...
