2005 Mercedes CL-Class Owner's Manual - Page 258

Controls in detail Useful features Reprogramming a single integrated signal transmitter button To program a device using a signal transmitter button previously trained, follow these steps: Press and hold the desired signal transmitter button (2, 3 or 4). Do not release the button. The indicator lamp will begin to flash after 20 seconds. Without releasing the integrated signal transmitter button, proceed with programming starting with step 3. Infrared reflecting windshield Your vehicle is equipped with infrared reflecting glass which reduces the amount of radiated heat entering the interior through the windows. The infrared reflecting glass also prevents the transmission of signals through the glass by in-vehicle electronic devices (e.g. electronic toll collection devices). To allow the use of these devices in the vehicle, two infrared transparent areas (1 and 2) are placed in the windshield. 1 Mounting location for electronic toll collection devices (infrared transparent) 2 Infrared transparent area (pass-through for electronic signals) 3 31.5 in (80 cm) 4 19.0 in (48 cm) 5 1.75 in (4.5 cm) 256