See also:

Engine
Display messages (USA only) (Canada only) The yellow Check Engine warning lamp lights up while the ignition is switched on with the engine running. Possible causes/consequences and ► ...

Additives
Only use DEF in accordance with ISO 22241. Do not use additives with DEF and do not dilute DEF with water. This may destroy the BlueTEC exhaust gas aftertreatment system. ...

Speedometer with segments
The segments in the speedometer indicate which speed range is available. Cruise control (Y page 167) activated: The segments light up from the stored speed to the maximum speed. DISTRONIC PLUS ...