
Fig. 27 In the left rear door: childproof lock Ⓐ switched off, Ⓑ switched on

Fig. 28 In the right rear door: childproof lock Ⓐ switched off, Ⓑ switched on
First read and observe the introductory information
and safety warnings
The childproof lock prevents the rear doors from being opened from the inside, e.g. so that children cannot open the doors accidentally while the vehicle is in motion. When the childproof lock is activated the door can only be opened from the outside.
Switching the childproof lock on or off
Slot position or :
Childproof lock is switched off.
Childproof lock is switched on. 
WARNING
Warning lamp
TailgateIntroduction
This chapter contains information on the following subjects:
→ Seat covers
→ Cleaning cloth seat covers, fabric trim and Alcantara upholstery
→ Cleaning and caring for natural leather covers
→ Cleaning leatherette upholstery
→ Cleaning stowage compart ...
Test Requirements
Radiator and condenser are clean (clean if necessary).
The ribbed belt for the A/C compressor and alternator
tensioned correctly.
All air ducts, covers and seals are OK and installed
correctly.
...
Cigarette Lighter Illumination Bulb -L28-, Removing and Installing
Note
On some vehicle equipment levels, socket illumination is via
Light Emitting Diode (LED) instead of a bulb. These LEDs are
integrated with the illumination housing and cannot be serviced
or replaced separately.
...