If your car does indeed have a DPF, do yourself a favour, buy a Carista dongle ($40) and buy an app called VAGDPF (android only) and you can then monitor how full your DPF is and when it does a clean.
I recently discovered the VAGDPF app and have been using it for the past few months with my TDI vehicle and its great.
Carista OBD2 Diagnostic Scanner and Customiser for Android and iOS – AutoInstruct
VAG DPF – Apps on Google Play
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