In Canada, a certified vw gets you 2 years or 40,000 km warranty extension after new vehicle warranty expires.
http://www.vw.ca/vwca/cpo/warranty/0,2277,40,00.html
Coverage
2-year/40,000 km basic warranty (whichever comes first)
Begins when the new vehicle limited warranty expires or upon the sales date of the pre-owned vehicle (whichever occurs later)
2-year Roadside Assistance**
No deductible on covered repairs, which are: Motor
Steering
Front and rear axles
Manual transmission
Electrical power supply
Heating and air conditioning
ABS brakes
Electrical systems
Torque converter
Differential
Material or manufacturing defects (except when due to normal wear-and-tear, the appearance of the vehicle, tires or exhaust system)
Includes the balance of the limited powertrain warranty, which is transferable along with any remaining limited warranty against perforation due to corrosion (balance of new vehicle warranty).
$150 warranty transfer (no charge in Quebec and Nova Scotia). Transfer fees are the buyer’s responsibility. The transfer comes into effect when Volkswagen Canada (Pre-Owned Vehicles Warranty Department) receives the name, address and telephone number of the new owner, along with the vehicle’s complete identification number.
Repairs covered by the warranty can be done at any licensed VW Canada dealer