Hello and welcome to Just answer.com, Super mechanic here. About your vehicle.
This should help with the wiper switch.
Steering Column Trim Covers Replacement - On Vehicle Removal Procedure Caution: Refer to SIR Caution in Service Precautions.
Installation Procedure
You might be able to use 2 flat blades for it
TOOLS REQUIRED J 44298 Driver Air Bag Removal ToolREMOVAL PROCEDURE
INSTALLATION PROCEDURE
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