Activating HDC

Press the button; the LED above
the button
lights up.
See also:
Under the Hood
The 135i's turbocharged inline-six makes 300 horsepower and 300 pounds-feet
of torque. It works through a six-speed manual or BMW's seven-speed dual-clutch
automatic. Either car hits 60 mph in abo ...
Locking and unlocking
Pressing the buttons locks and unlocks the
doors and the trunk lid when the front doors are
closed, but they are not secured against theft.
The fuel filler flap remains unlocked. ...
Indicator/warning lamps
The indicator and warning lamps can light up in
a variety of combinations and colors.
Several of the lamps are checked for proper
functioning and light up temporarily when the
engine is start ...
