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 Components And Functions
A short delay can occur before a component is activated.
Remote control activations can only be carried out if the key is not in the ignition. Lock activations can only be carried out if the doors are shut.
With this function the components and functions associated with the upper electronic module (UEM) can be activated.
The following components / parameters can be activated in alternative ways:
- General lighting, directly to the lamp
- Front left reading lamp, directly to the lamp
- Front right reading lamp, directly to the lamp
- Rear left reading lamp, directly to the lamp
- Rear right reading lamp, directly to the lamp
- Third row reading lamps, direct to the lamps (XC90 only)
- Extended X-supply
- Voltage to mass movement sensor module (MMS), alternatively movement sensor module (IMS)
- Seat belt reminder
- Indicates that the passenger airbag (PAD) is disconnected (from 2005-)
- Remote control, activate the button
- Local lighting
- Cargo compartment lighting (applies only to the V70 and XC70)
- Button activation, forward
- Button activation, backward
- Motor, forward
- Motor, backward.
The following activations for the sun roof are performed in separate vehicle communication input for the upper electronic module (UEM).
Use the Manual With the Right Hardware
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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.
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