
 
Outside temperature display 
At outside temperatures below about +39 °F (+4 °C), a “snowflake symbol” (icy road warning) appears in the display. The symbol flashes at first, then stays on until the outside temperature rises above 
+43 °F (+6 °C) ⇒ . 
When the vehicle is not moving or when you are driving at very low speeds, the temperature displayed may be slightly higher than the actual outside temperature. 
The measurement range is from -40 °F (-40 °C) to +122 °F (+50 °C). 
Compass display (if applicable) 
On vehicles equipped with compass display, the current compass direction is indicated in the instru-ment cluster display when the ignition and navigation system are switched on, Compass. 
Selector lever positions 
The selector lever position is shown both on the side of the selector lever and in the instrument cluster display. The respective gear may also be shown in the instrument cluster display in Drive D and Sport Drive S, as well as in Tiptronic® mode. 
  WARNING 
Failure to heed warning lights and instrument cluster text messages can cause the vehicle to break down in traffic and result in a collision and serious personal injury. 
 x Never ignore warning lights or text WARNINGS. 
 x Always stop the vehicle as soon as it is safe to do so. 
 x Park the vehicle at a safe distance from moving traffic and where no part of the hot cata-lytic converter and exhaust system can come into contact with flammable materials under the vehicle, such as dry grass, brush, spilled fuel, etc. 
 x A broken down vehicle presents a high accident risk for itself and others. Switch on emergency flashers and set up a warning triangle to warn oncoming traffic.  
  WARNING 
Roads and bridges may be dangerously icy even if the outside air temperature is above freez-ing. 
 x If you use the outside temperature display to tell you about frost conditions, remember that roads can even ice over at temperatures above +39 °F (+4 °C). Always remember: even if the “snowflake symbol” (icy road warning) is not displayed, there could still be black ice on the road. 
 x Never rely exclusively on the outside temperature display.  
  NOTICE 
Failure to heed warning lights or text WARNINGS can result in vehicle damage. 
  The instrument cluster displays and their arrangement may vary depending on the vehicle model and engine. For displays without warning and information messages, malfunctions are only signaled with indicator lights. 
  If there are multiple warning messages, the symbols are displayed for several seconds in order of importance. The symbols are displayed until the cause has been corrected.  

 
The doors, the luggage compartment lid, and the fuel filler flap can be locked manually if the remote vehicle key is not working. 
Automatic locking (Auto lock) 
The vehicle locks automatically when it reaches a speed of about 10 mph (15 km/h). When the vehicle 
is locked, the indicator light W comes on in the power locking button ⇒ fig. 37. 
Automatic unlocking (Auto unlock) 
All doors automatically unlock when you switch off the ignition and open a door from inside the vehicle. On vehicles with automatic transmission, the doors will also unlock when the selector lever is in Park (P) or the ignition is switched off. Auto unlock works only if the vehicle has been automatically locked with the Auto lock feature. The indicator light W goes out in the power locking button when the doors 
unlock ⇒ fig. 37. 
Locking the vehicle after airbag inflation 
If the airbags are activated during a collision, the entire vehicle is unlocked. Depending on the severity of the damage, the vehicle can be locked after a collision when the airbags have deployed as follows: 
 
Function Action
Locking the vehicle with the power locking button: – Switch the ignition off. – Open and close a door once. – Press the power locking button  1. 
Locking the vehicle with the remote control vehicle key: – Switch the ignition off. OR: Remove the vehicle key from the ignition. – Open a door once. – Lock the vehicle with the remote control vehicle key.  
  If the vehicle key buttons, Vehicle key set or one of the power locking buttons ⇒ page 50, Unlocking and locking the vehicle from the inside are pushed repeatedly in quick succession, the power locking system is switched off for a brief period to help keep it from being overloaded. The vehicle is then unlocked for about 30 seconds. Unless a door or the luggage compartment lid is opened during this time, the vehicle is automatically locked afterwards. 
Unlocking and locking the vehicle from the outside 
 
Fig. 32 Remote control vehicle key with remote start.