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3. Press and release the SET +
control. The vehicle speed will be
stored in the memory and the
message center will display SET
XXX MPH (your desired speed).
4. Take your foot off the accelerator
pedal.
5. The green
cruise indicator
light on the instrument cluster will
illuminate if there are no vehicles in
front of you, while the amber
ACC indicator light on the instrument
cluster will illuminate if there is a vehicle in front of you.
Following a vehicle
WARNING: When following a vehicle in front of you, the vehicle
will not decelerate automatically to a stop, nor will the vehicle
always decelerate quickly enough to avoid a collision without driver
intervention. Always apply the brakes when necessary. Failing to do so
may result in a collision, serious injury or death.
When a vehicle ahead of you enters the same lane or a slower vehicle is
ahead in the same lane, the vehicle speed will adjust automatically to
maintain a preset gap distance. The distance setting is adjustable, refer
to Setting the gap distance in this section.
The amber
ACC indicator light
in the instrument cluster will be
illuminated and the message center
will temporarily display a preset
GAP <--->.
The vehicle will maintain a constant distance between the vehicle ahead
until:
• The vehicle in front of you accelerates to a speed above the set speed.
• The vehicle in front of you moves out of your lane or out of view.
• The vehicle speed falls below 18 mph (30 km/h).
• A new gap distance is set.
The vehicle brakes will be automatically applied to slow the vehicle to
maintain a safe distance between the vehicle in front. The maximum
braking which is applied by the ACC system is limited and can be
overridden by the driver applying the brakes.
2009 MKS (mks)
Owners Guide (post-2002-fmt)
USA (fus)
Driver Controls
65