First read and observe the introductory information
and safety warnings
Volkswagen recommends the use of genuine Volkswagen spray with lubricating and anti-corrosive properties to de-ice the lock cylinders.

NOTICE
Care of rubber seals
UndersealGaskets, seals
After removing gaskets and seals, always inspect contact
surface of housing or shaft for burrs resulting from removal or
for other signs of damage.
Before installing seals, lightly oil outer diameter and
half-fill space between sea ...
Removing and installing brake servo, LHD vehicles
Note
If there are problems with the brake servo, first check the
brake servo vacuum system
→ Chapter.
Special tools and workshop equipment
required
...
Removing tyres, run-flat tyres, ultra-high-performance tyres
Only trained personnel may perform any assembly work on
run-flat tyres and ultra-high-performance tyres.
If fitted, check tyre pressure sensor using vehicle
diagnostic tester, and renew it as necessary.
Note
...