See also:

Audible/visual alarm signal
• An audible alarm signal is given by a battery powered siren. The alarm cycle lasts for 30 seconds. • The visual alarm signal is given by flashing all turn signals for approximately 5 minutes ...

Low battery voltage
If the battery voltage is too low, the parking brake cannot be applied or released. Connect an auxiliary battery if the battery voltage is too low, see page 114. ...

Replacing the battery in the remote key
The batteries should be replaced if: The information symbol illuminates and Low battery in remote control. Please change batteries. is shown in the display and/or if the locks do not react af ...