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.
Activating Automatic Start/Stop Of Engine (Only On Vehicles With The Function Automatic Start/Stop Of Engine)
The function automatic start/stop of engine is activated with the switch (3/286) located in the tunnel console.
The ignition key must be in position II and the engine running for the climate control module (CCM) (3/112) to accept activation of this function.
When activating the function automatic start/stop of engine, Climate control module (CCM) sends a signal about chosen status of the function to Engine control module (ECM) (4/46) via the CAN-net.
Then, Engine control module (ECM) sends a signal to Climate control module (CCM) if the function automatic start/stop of engine is on or off.
The Climate control module (CCM) uses the information to light and extinguish the LED on the switch.
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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.