See also:

Temporary shut-off of the air conditioning
The air conditioning is momentarily disengaged during full-throttle acceleration or when driving uphill with a trailer. This may result in a temporary increase in cabin temperature. ...

If the BRAKE and ABS warning lights comeon at the same time, this could indicate afault in the brake system.
• Stop the vehicle in a suitable place and switch off the engine. • Restart the engine. • If both warning lights go off, no further action is required. • If both lights are still on after the eng ...

Operation and function
LDW can be switched on or off by pressing the button on the center console. A light in the button illuminates when the function is on. The trip computer display shows Lane Depart Warn Standby ...