Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Curve Recognition
This feature is activated when the GS 20 detects a variation of front wheel speeds via the CAN bus. The Mark 20 EI control module broadcasts the wheel speed sensor signals and their speed variations for any control module programmed to monitor this condition. When curves are recognized, the GS 20 inhibits up shifting until the front wheel speed signals equalize indicating the vehicle is driving straight ahead. This feature enhances the vehicle handling characteristics when cornering at higher speeds.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.