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.
AGS (Adaptive Transmission Control): Notes
The GS 20 adaptive transmission control feature automatically selects suitable shifting programs based on driving style, selected range, monitored signal activity and road/environmental conditions. Advantages to the AGS shift control include:
- Shift points adapted to the driving style.
- Improved safety - no unwanted up shifting while in a tight curve.
- Automatic determination and selection of the winter program for better driveaway traction and reduced shift activity.
- Improved comfort - starting in second gear in stop and go traffic.
The AGS can be divided into two functional groups:
- Driver influenced features.
- Features that react automatically to the driving style and environmental conditions.
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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.