Checking component
- Ignition on.
Check manually whether any of the climate control knobs are stuck or have locked in the depressed position. Check that the button LEDs light and go out when the button is pressed.
Read off the activation for the lower electrical switch and check that the values switch between ON and OFF as the button is pressed for each switch.
NOTE:Note the following about activating the lower switch.
- Adjustable head restraints. After four activations in quick succession the function is blocked for approximately 2 minutes. After this time when it is blocked, the activation can be carried out again. The head restraints are folded back manually.
- Auxiliary lamps. The electrical switch for auxiliary lamps cannot be controlled using this function.
- STC/DSTC. To activate / deactivate STC/DSTC the switch must be held in for a t least 0.5 seconds.
- Private locking of the trunk lid. The Private locking function for the trunk lid can only be activated with the master key in position II.
- Temporary disengagement of detectors (Deadlock position). The temporary disengagement of the detectors can only be activated with the master key in position I.
Remedy as necessary. If no fault is found the control unit for climate control must be replaced.
Other information:
- To access / replace the climate control module, see Dashboard environment panel (including climate control module (CCM)), replacing .
- Continue
Refer to Verification