Circuit/System Verification
WARNING: This page is about a different car, the 2018 Buick Envision. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition ON.
- Verify the scan tool Vehicle Direction Warning Switch Status parameter changes between On and Off while cycling the lane departure warning switch.
- If the parameter does not change
Refer to Circuit/System Testing.
- Go to next step: If the parameter changes
- If the parameter does not change
- All OK.