Temperature Warning Lamp; Malfunction Indicator Lamp; Coolant Temperature; Engine Malfunction - SMART fortwo coupe Operator's Manual

What to do if ...
160
Problem
® The fuel cap
indicator lamp
comes on when
the engine is
running.
Engine
Problem
? The coolant
temperature
warning lamp
illuminates
while the
engine is
running.
G
Warning!
Driving when your engine is overheated can cause some fluids, which may have leaked into
the engine compartment, to catch fire. You could be seriously burned.
Turn off the engine, get out of the vehicle and do not stand near the vehicle until the engine
has cooled down.
!
Among other possible causes, the poly-V-belt could be broken. Do not continue to
drive. Otherwise, the engine will overheat due to an inoperative water pump which may
result in damage to the engine.
Problem
; The engine
malfunction
indicator lamp
illuminates
while driving.
Possible causes/consequences and X Solutions
The fuel cap may not be closed properly or the fuel system may
be leaky.
X
Check the fuel cap (
X
If it is not closed properly: Close the fuel cap.
X
If it is closed properly: Have the fuel system checked at an
authorized smart center.
Possible causes/consequences and X Solutions
The coolant is too hot.
X
Stop the vehicle immediately in a safe location.
X
Do not continue to drive.
X
Turn off the engine.
X
Engage the parking brake when leaving the vehicle.
X
Contact Roadside Assistance or an authorized smart center.
The coolant level has fallen below the marking bar on the
Y
coolant reservoir (
X
Add coolant as required.
X
Have the coolant system checked for leaks at an authorized
smart center.
Possible causes/consequences and X Solutions
There is a malfunction in the system.
X
Have the vehicle checked at an authorized smart center
immediately.
Y
page 110).
page 115).