Volvo VNL 780 Operator's Manual page 105

INSTRUMENTS AND CONTROLS 95
Transmission Retarder
For more information about the transmission retarder, see "Transmission Retarder, VHD
Only" page 327.
W3004428
17. Marker Interrupt Switch
This switch interrupts power to the marker lights when held down. When released, it springs
back to the ON position and returns power to the marker lights.
W3001352
Marker Interrupt Switch