See also:

High outside temperatures
If DEF heats up to over 122 °F (50 °C) for extended periods, e.g. as a result of direct sunlight on the DEF reservoir, DEF can decompose. Ammonia vapors develop as a result. WARNING When o ...

General notes
If you use the mechanical key to unlock and open the driver's door or the trunk lid, the anti-theft alarm system will be triggered. There are several ways to turn off the alarm: To turn the a ...

Important safety notes
WARNING When leaving the vehicle, always remove the SmartKey from the ignition lock. Always take the SmartKey with you and lock the vehicle. Do not leave children unattended in the vehicle ...