Servicing Guide: 2011 Hyundai Sonata

by Steve Young
Created: March 2, 2012

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Tech-Train 1025 tool can quickly unlock the new Sonata.
Tech-Train 1025 tool can quickly unlock the new Sonata.
Using a shim as you insert the wedges will protect the weather stripping.
Using a shim as you insert the wedges will protect the weather stripping.
Using the shim as you insert the tool will protect the weather stripping and make the job easier.
Using the shim as you insert the tool will protect the weather stripping and make the job easier.
Once the top of the tool is below the bottom edge of the glass, remove wedges and pull tool up on the inside of the passenger compartment.
Once the top of the tool is below the bottom edge of the glass, remove wedges and pull tool up on the inside of the passenger compartment.
Using the tip of the tool to flip the rocker to the rear will unlock the door.
Using the tip of the tool to flip the rocker to the rear will unlock the door.
Door lock secured with a single bolt that is concealed behind a plastic plug.
Door lock secured with a single bolt that is concealed behind a plastic plug.
Use an 8mm socket or nut-driver to remove the lock retaining bolt.
Use an 8mm socket or nut-driver to remove the lock retaining bolt.
Door lock can be removed from door once the retaining bolt has been removed.
Door lock can be removed from door once the retaining bolt has been removed.
There is no code on the lock assembly.
There is no code on the lock assembly.
10 of 12 tumblers can be sight-read through drain holes in lock.
10 of 12 tumblers can be sight-read through drain holes in lock.
Tailpiece held in place with an E-ring hidden inside a pocket in the tailpiece.
Tailpiece held in place with an E-ring hidden inside a pocket in the tailpiece.
When the tailpiece is removed, it will expose the return spring at rear of lock plug.
When the tailpiece is removed, it will expose the return spring at rear of lock plug.
Plastic shell held in place by a small tab on side of lock body.
Plastic shell held in place by a small tab on side of lock body.
With plastic shell removed, facecap is now visible.
With plastic shell removed, facecap is now visible.
Facecap is reusable and can be removed by carefully prying it free of lock body.
Facecap is reusable and can be removed by carefully prying it free of lock body.
Shutter assembly can be removed
Shutter assembly can be removed
Lock plug free of housing and shutter assembly removed.
Lock plug free of housing and shutter assembly removed.
All 12tumblers are visible and lock can be decoded easily.
All 12tumblers are visible and lock can be decoded easily.
Three split tumblers – each stamped with depth.
Three split tumblers – each stamped with depth.
Lock housing has 4 separate chambers for 4 groups of tumblers.
Lock housing has 4 separate chambers for 4 groups of tumblers.
Trim on inside trunk lid held in place with upholstery fasteners.
Trim on inside trunk lid held in place with upholstery fasteners.
Use Phillips head screwdriver to back each fastener out as far as they will go.
Use Phillips head screwdriver to back each fastener out as far as they will go.
Once fastener is loose, pull on it to remove it.
Once fastener is loose, pull on it to remove it.
Emergency release handle, on underside of the trunk lid, also needs to be removed.
Emergency release handle, on underside of the trunk lid, also needs to be removed.
Two screws concealed under top of emergency release handle.
Two screws concealed under top of emergency release handle.
Trunk lock secured with two 10mm bolts, also has a cable attachment.
Trunk lock secured with two 10mm bolts, also has a cable attachment.
Once cable has been released, and bolts removed, lock pulls out easily.
Once cable has been released, and bolts removed, lock pulls out easily.
Tailpiece held in place by an E-clip.
Tailpiece held in place by an E-clip.
Return spring located under tailpiece, and can be removed once tailpiece is out of way.
Return spring located under tailpiece, and can be removed once tailpiece is out of way.
Facecap is reusable and much easier to remove than on door lock.
Facecap is reusable and much easier to remove than on door lock.
Lock plug will now slide out of housing and can be decoded just like door lock.
Lock plug will now slide out of housing and can be decoded just like door lock.
Airbag & steering wheel must be removed to access ignition lock.
Airbag & steering wheel must be removed to access ignition lock.
The first step in disarming the airbag is to disconnect the negative battery terminal.
The first step in disarming the airbag is to disconnect the negative battery terminal.
Three small holes on back side of steering column are used to release airbag fasteners.
Three small holes on back side of steering column are used to release airbag fasteners.
As you release each fastener, that corner of the airbag module will pop out slightly.
As you release each fastener, that corner of the airbag module will pop out slightly.
Once all 3fasteners have been released, airbag module will come free.
Once all 3fasteners have been released, airbag module will come free.
Each cable has a safety lock made from red plastic that must be pulled up before cable is disconnected.
Each cable has a safety lock made from red plastic that must be pulled up before cable is disconnected.
In addition to the locking devices, each cable is color-coded.
In addition to the locking devices, each cable is color-coded.
After the two connectors have been released, the airbag module can be removed.
After the two connectors have been released, the airbag module can be removed.
A steering wheel puller is required to remove steering wheel.
A steering wheel puller is required to remove steering wheel.
Top of steering column shroud clips into lower portion, but 2 screws securing lower portion were hidden behind steering wheel.
Top of steering column shroud clips into lower portion, but 2 screws securing lower portion were hidden behind steering wheel.
Third and final screw secures lower portion of shroud near dash.
Third and final screw secures lower portion of shroud near dash.
With shroud removed, ignition lock is exposed. Before you can remove the lock, first remove lighted ring at front.
With shroud removed, ignition lock is exposed. Before you can remove the lock, first remove lighted ring at front.
Lock assembly held in place with an active retainer, visible on side of housing facing driver.
Lock assembly held in place with an active retainer, visible on side of housing facing driver.
Depressing retainer after lock has been turned to “ON” allows lock assembly to come free.
Depressing retainer after lock has been turned to “ON” allows lock assembly to come free.
Rubber plug holds 2 portions of lock housing together.
Rubber plug holds 2 portions of lock housing together.
After rubber plug is removed, lock cylinder slides out of shell.
After rubber plug is removed, lock cylinder slides out of shell.
Second rubber plug holds face portion of housing onto lock body.
Second rubber plug holds face portion of housing onto lock body.
After removing rubber plug, rotate face of housing clockwise and it will pull free.
After removing rubber plug, rotate face of housing clockwise and it will pull free.
Snap-ring secures rear of lock plug.
Snap-ring secures rear of lock plug.
Ignition lock plug contains all twelve tumblers.
Ignition lock plug contains all twelve tumblers.

After the lower portion of the shroud has been removed, the ignition lock will be exposed. Two small screws hold the lighted ring on at the face of the ignition lock. After the lighted ring has been removed, you will be ready to remove the ignition lock. The active retainer is now visible on the side of the lock housing that faces the driver. Once the lock has been turned to the “ON” position, the retainer can be depressed and the lock removed from the column.

Just as on the older Hyundai ignitions, a rubber plug holds the two portions of the housing together. Removing this plug will allow you to separate the lock assembly from the shell that surrounds it. A second rubber plug locks the face portion of the housing in place, and once it has been removed the facecap can be rotated and removed.

The last step in disassembling the ignition lock is to remove the snap-ring at the rear of the lock plug. With the snap-ring removed, the lock plug will slide out of the housing easily for service. The ignition lock, just as the door and trunk, contains all 12 of the tumblers.

There was no transponder programming necessary on this vehicle because it was not transponder equipped. As a general rule, very few Hyundai vehicles sold in the U.S. are transponder equipped. So far, the only 2011 Sonata that I have seen that was equipped with a transponder also had a dealer prox system that included a push-button start.

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Servicing Guide: 2011 Hyundai Sonata

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