SMART 2016 fortwo Owner's Manual page 120

Display messages
118
Display messages
Hill Start Assist
Inoperative
Possible causes/consequences and M Solutions
The ÷ warning lamp also lights up in the instrument cluster.
Hill start assist is malfunctioning. If you release the brake, your
vehicle will not be held automatically when pulling away uphill
and may roll away immediately.
Other driving systems could be switched off automatically.
G
WARNING
The brake system continues to function normally, but without the
functions listed above.
®
If ESP is not operational, ESP
There is an increased risk of skidding and an accident.
Drive on carefully.
X
Visit a qualified specialist workshop.
X
®
is unable to stabilize the vehicle.