Start the engine -> Electronic immobilizer for Your Volkswagen Jetta 4 Door Seventh Generation (2019-2025)

Never start the engine if the vehicle is out of visual range.  
Never start the engine if the warning light  
is turned on or blinking.  
Using the remote start relay function may increase fuel consumption and discharge the 12 V vehicle battery.  
During an active remote start relay, some vehicle functions are deactivated, e.g. the low beam headlight and the  
windshield wipers.  
Electronic immobilizer  
The immobilizer helps prevent the engine from being started and the vehicle from being moved with an unauthorized vehicle  
key.  
Vehicles with an Ignition Lock  
In the remote control vehicle key, there is a chip which automatically deactivates the immobilizer if a valid vehicle key is  
inserted into the ignition lock.  
The electronic immobilizer is activated automatically when the vehicle key is removed from the ignition lock Ignition switch.  
Vehicles with a Starter Button  
In the remote control vehicle key, there is a chip used to automatically deactivate the electronic immobilizer when there is a  
valid remote control vehicle key in the vehicle interior.  
The electronic immobilizer is automatically engaged as soon as the ignition is switched off Starter button.  
You can only start the engine with a suitably coded Volkswagen Original vehicle key. You can obtain coded vehicle keys  
from an authorized Volkswagen dealer or authorized Volkswagen Service Facility.  
Ignition switch  
Remote Control Vehicle Key Positions in the Ignition Switch  
171