SMART EQ forfour Owner's Manual page 193

Problem
The red J warning
lamp lights up while
the engine is running.
A warning tone sounds.
Check
Colour display:
brake fluid level
appears.
The red J warning
lamp lights up while
driving.
A warning tone sounds.
Colour display:
Release parking
brake
appears.
The red J warning
lamp lights up while
the engine is running.
A warning tone sounds.
Brake
Colour display:
system malfunction
Stop
appears.
The yellow J warn-
ing lamp lights up.
Mal‐
Colour display:
function Visit work‐
shop
appears.
Monochrome display:
i or j flash alter-
nately in the middle of
the display.
To
Colour display:
start engine: shift
to P or N
appears.
Possible causes/consequences and M Solutions
Brake fluid level is too low.
G
WARNING
If the brake fluid level is too low the brake system may fail.
There is a risk of an accident.
Stop the vehicle in accordance with the traffic conditions.
Secure the vehicle by applying the parking brake. Do not drive
any further. Consult a qualified specialist workshop immedi-
ately and have the brake system repaired.
Do not top up the brake fluid, as this will not rectify the fault.
X
Consult a qualified specialist workshop.
The parking brake is applied.
X
Release the parking brake.
There is a serious malfunction in the brake system.
X
Consult a qualified specialist workshop.
There is a malfunction in the vacuum supply of the brake system.
X
Consult a qualified specialist workshop.
An attempt was made to start the engine with the transmission in
position h or k.
X
Shift to j or i to start.
Engine, brakes, transmission
191
Z