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Practical hints
What to do if …
Problem Possible cause Suggested solution
E The red DTR indicator lamp
comes on while driving.
You are too close to the vehicle in front of you
to maintain selected speed.
̈ Apply the brakes immediately to in-
crease the following distance.
E The red DTR indicator lamp
comes on while driving and you
hear a warning sound.
ț You are gaining too rapidly on the vehicle
ahead of you.
ț The distance warning system has recog-
nized a stationary obstacle on your prob-
able line of travel.
̈ Apply the brakes immediately.
̈ Carefully observe the traffic situation.
You may need to brake or maneuver
to avoid hitting an obstacle.
E The white DTR indicator lamp
comes on while driving.
The Distronic* distance sensor has recog-
nized a vehicle in front of you.
A The yellow fuel tank reserve
warning lamp lights while driv-
ing.
The fuel level has dropped below the reserve
mark.
̈ Refuel at the next gas station
(
୴ page 250).
The fuel cap is not closed tight. ̈ Check the fuel cap (୴ page 250).