This procedure covers removal and replacement of the steering column combination switch (turn signal/wiper/multi-function switch) on a 2023 Rivian EDV 500 electric delivery van.

Warnings

Tools required

Parts

• Combination switch assembly × 1 — Use OEM specification
• Steering column trim panels (if damaged) × 1 — Use OEM specification
• Electrical connector clips (replacement if broken) × 2 — Use OEM specification

Preparation

1. Park vehicle on level surface and ensure transmission is in Park
2. Turn off vehicle completely using power button
3. Chock rear wheels for safety
4. Ensure steering wheel is centered with front wheels pointing straight ahead
5. Disconnect 12V battery negative terminal located in front compartment
6. Wait minimum 10 minutes for airbag system capacitor discharge
7. Document steering wheel position with tape or photograph for reference

Procedure

1. 1

   Remove lower steering column trim panels
   Using trim removal tools, carefully pry the lower steering column cover starting from the bottom rear edge. Release the retaining clips by pulling gently outward. Remove the lower cover completely and set aside. Locate and remove any T20 Torx screws securing the upper column cover.
2. 2

   Remove upper steering column trim panels
   Separate the upper steering column cover halves by releasing the side clips. Carefully lift the upper covers away from the steering column, being mindful of any wiring harnesses or clips still attached. Disconnect any electrical connectors for auxiliary switches if present.
3. 3

   Access combination switch mounting area
   With column covers removed, identify the combination switch assembly mounted to the left side of the steering column. Locate the main wiring harness connector running from the switch to the column harness. Note the routing of all wires for reinstallation.
4. 4

   Disconnect combination switch electrical connectors
   Press the locking tab on the main combination switch connector and carefully pull straight back to disconnect. There may be multiple connectors depending on switch configuration. Use electrical connector release tools if necessary to avoid breaking tabs. Label connectors if multiple are present.
5. 5

   Remove combination switch mounting fasteners
   Locate the T25 Torx mounting screws securing the combination switch to the steering column bracket (typically 2-3 screws). Remove these screws completely and retain for reinstallation. Note the orientation and position of any alignment pins or guides.
6. 6

   Remove combination switch assembly
   Carefully slide the combination switch assembly away from the steering column, ensuring no wiring is snagged or pinched. If resistance is felt, verify all fasteners and clips are fully released. Remove the switch completely from the vehicle and inspect the mounting area for any damage or debris.
7. 7

   Inspect clockspring and column components
   With the switch removed, visually inspect the clockspring behind the steering wheel for any damage, wear, or misalignment. Check the steering column mounting bracket for cracks or damage. Clean any debris from the mounting surfaces using a clean, lint-free cloth.
8. 8

   Prepare new combination switch
   Remove the new combination switch from packaging. Verify part number matches the original component. Check that all electrical connectors are clean and free of debris. Ensure any alignment pins or guides are present and undamaged.
9. 9

   Install new combination switch assembly
   Position the new combination switch onto the steering column bracket, aligning any guide pins or slots. Ensure the switch is fully seated against the column before installing fasteners. Verify the wiring harness routing matches the original configuration and will not be pinched.
10. 10

    Secure combination switch mounting fasteners
    Install the T25 Torx mounting screws through the switch into the column bracket. Tighten screws evenly in a cross-pattern to ensure even seating. Screws should be snug but do not over-torque as this may crack the switch housing. Verify switch does not move when testing operation.
11. 11

    Reconnect electrical connectors
    Reconnect all electrical connectors to the combination switch, ensuring each clicks firmly into place with the locking tab engaged. Verify no pins are bent or damaged. Route wiring harness in original path, securing any wire clips or retainers to prevent chafing.
12. 12

    Reinstall steering column trim panels
    Position the upper steering column covers around the column, ensuring all wiring is properly routed and not pinched. Snap the upper cover halves together, verifying all clips engage properly. Install any T20 Torx screws removed earlier. Install the lower steering column cover by aligning the clips and pressing firmly until all clips engage with audible clicks.

Reassembly

1. Ensure all trim panel clips are fully engaged and panels are flush with no gaps
2. Verify steering wheel remains centered and has not rotated during service
3. Reconnect 12V battery negative terminal and ensure connection is tight
4. Clear any diagnostic trouble codes that may have been stored during battery disconnect

Verification

• Turn vehicle power on and verify instrument cluster illuminates normally without warning lights related to combination switch
• Test turn signal function in both left and right directions, verifying indicator lights and audible click operation
• Test high beam and low beam headlight switching function
• Test windshield wiper function at all speeds including intermittent settings
• Test windshield washer spray function
• Verify cruise control buttons operate correctly if integrated into combination switch
• Check that all switches return to neutral position properly after use
• Perform a test drive to confirm all combination switch functions operate normally under driving conditions
• Verify no rattles or loose trim panels around steering column

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