1. Remove the ignition switch (see "Removal and installation the ignition switch").
2. Disconnect the wiring harness from the backlight lamp socket.
3. Using a screwdriver, unfasten the latch on one side.
4. Then unfasten the two latches on the other side…
5. …and remove the plastic cover from the lock body.
6. Using a screwdriver, unfasten the two latches on both sides of the cover…
7. …and remove the contact group and light guide from the cover.
8. Clean oxidized or burnt contacts of the plate on the light guide with fine-grained sandpaper.
9. If the contacts are badly damaged, replace the contact plate on the light guide. To do this, turn the contact plate so that its internal projections fit into the slots of the light guide…
10. …and remove the plate together with the return spring. Replace the broken or cracked return spring.
11. Install the spring and contact ring on the light guide in the reverse order of removal. In doing so, pay attention to the fact that the protrusions on the inner surface of the light guide should be opposite the wide outer protrusion of the plate.
12. Clean oxidized or burnt contacts with fine sandpaper. If the contacts are badly damaged, replace the contact group. To do this, you need to unsolder three wires from the contacts.
13. When assembling the lock, first install the light guide with the contact plate on the base of the contact group so that the long protrusion of the plate is opposite the stop on the base.
14. Place the cover on the base so that the upper part of the light guide enters the hole in the cover. Fix the base on the cover with latches.
15. Install the cover with the contact group on the lock body in the reverse order of removal. Note that the protrusion on the lock cylinder should be between the two protrusions on the inner surface of the light guide.
The text is published on the portal VazBook