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Heating and air conditioning -> Remote control of the auxiliary heater and auxiliary ventilation for Your Volkswagen Transporter Van Seventh Generation (2021-2025)

Remote control of the auxiliary heater and auxiliary ventilation  
With the remote control, the fuel-operated auxiliary heater can be switched on and off from outside the vehicle.  
Fig. 1 Remote control for the auxiliary heater.  
Switching the auxiliary heater on and off using the remote control  
1. Switching on: Press the button for around 1 second→ Fig. 1.  
2. Switching off: Press the  
button for around 1 second→ Fig. 1.  
LED in the remote control  
1
The LED indicates various operating states after you press a button→ Fig. 1  
Lights up  
.
Green: The auxiliary heater is switched on.  
Red: The auxiliary heater is switched off.  
Flashing at irregular intervals  
Green: The auxiliary heater is blocked. The fuel tank is nearly empty, the 12-volt vehicle battery charge level is too  
low or a malfunction has occurred. Refuel and drive for long enough to recharge the 12-volt vehicle battery, or  
visit a correspondingly qualified workshop.  
Flashing at regular intervals  
Red or green: Switch-on or switch-off signal has not been received. Move closer to the vehicle.  
Lights up or flashes  
Orange: The button cell in the remote control is weak. Replacing the button cell.  
Range  
The remote control has a range of several hundred metres when the button cell is fully charged and under ideal  
conditions.  
Keep a distance of at least 2 m(7 ft) between the remote control and the vehicle.  
Avoid obstacles between the remote control and vehicle.  
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1
Hold the remote control with the aerial→ Fig. 1  
Do not cover the aerial.  
pointing vertically upwards.  
Poor weather conditions, nearby buildings or a weak button cell will significantly reduce the range.  
NOTICE  
The remote control contains electronic components which can be damaged by moisture, strong vibrations and direct  
sunlight.  
Protect the remote control from moisture, excessive vibration and direct sunlight.  
Replacing the button cell in the remote control  
Replace the button cell in the remote control if the LED stops lighting up.  
Fig. 1 Replace the button cell in the remote control.  
Replacing the button cell  
1. Insert a suitable tool, e.g. a screwdriver, in the recess on the housing of the remote control in the direction of  
the arrow → Fig. 1.  
2. Using the tool, lever off the battery cover in upward direction until the housing catches are released.  
3. Slide the battery cover forwards slightly in the direction of the arrow.  
4. Remove the battery cover.  
5. To remove the button cell, carefully insert a screwdriver, for example, in the recess on the button cell.  
6. Lever up the button cell with the screwdriver until the button cell is released from the holder.  
7. Remove the button cell.  
8. Insert a new button cell of the same type so that it engages in the holder. Observe the information on the inside  
of the battery cover about the polarity of the button cell.  
9. Place the battery cover on the remote control and press it gently until the battery cover clicks into place.  
DANGER  
If you swallow a button cell, or if it enters your windpipe, it can cause serious or even fatal injuries within a very  
short time due to choking or internal burns.  
Seek immediate medical assistance if you suspect that someone has swallowed a button cell.  
Do not use the remote control if you cannot close the battery cover.  
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