Volvo VNL 780 Operator's Manual page 268

258 OPERATION
Heated Rear View Mirrors (Optional)
Press button 1 once to start electric heating for 15minutes. The indicator light in the button
flashes. The heating is on for 15minutes.
Hold button 1 in for longer than 1second to start electric heating.
The indicator light in the button comes on.
The heating remains on until the engine is switched off.
Heater will run at 100% capacity for the first 30 minutes, after which it reduces to 75%
capacity.
Power Rear View Mirrors (Optional)
1 Choose the mirror which is to be adjusted by pressing buttons 3.L for left mirror and R
for right mirror. The light in the button comes on.
2 Adjust the mirror using lever 3.
The light in the button goes OFF after 10minutes. If new adjustments are to be made after
this, the mirror must be selected again.
W8003087