There are several methods you can use to change the route destination.
Exterior Lights System Description
Headlights System Description
The headlight system is composed of the MICU, the headlight and dimmer/flash-to-pass
switches (inside the combination light switch), the left and right headlights, ...
HandsFreeLink System Description
HandsFreeLink Control Unit Connector for Inputs and Outputs
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A/T Countershaft Reverse Selector Hub Installation (A/T)
Special Tools Required
Driver Handle, 40 mm I.D. 07746-0030100
Install 1st gear, 2nd gear, 3rd gear, the 33.2 x 40 x 26 mm
collar, the 29 mm cotters, and the 33 x ...