First read and observe the introductory
information and safety warnings
The underside of the vehicle is coated to protect it from corrosion and damage. The protective coating on the underside of the vehicle could be damaged when driving. Volkswagen recommends therefore that the protective coating on the underside of the vehicle and on the running gear should be checked regularly and repaired if necessary.

CAUTION
De-icing door lock cylinders
Cleaning the engine compartmentVolkswagen Touran Service Manual. Permitted Tread Depth - Variance
For all four wheels use only tires of the same construction
type, and tread.
Always use tires with the deepest tread depth on the front
axle.
Replacing one individual tire is always possible. The
vehicl ...
Volkswagen Touran Service Manual. Tires, Mounting, Run-Flat Tires and Ultra High Performance Tires
Only trained personnel can perform the assembly work on
run-flat tires and ultra high performance tires.
If equipped check the tire pressure monitoring sensor with
the vehicle diagnostic tester and if necessary replace.
...