Hummer 2007 H3 - Manual (Page 160)

Cruise control will not work if your parking brake is
set, or if the master cylinder brake fluid level is low.
If you apply your brakes, the cruise control
shuts off.
{ CAUTION:
Cruise control can be dangerous where
you cannot drive safely at a steady speed.
So, do not use your cruise control on
winding roads or in heavy traffic.
Cruise control can be dangerous on
slippery roads. On such roads, fast
changes in tire traction can cause
excessive wheel slip, and you could lose
control. Do not use cruise control on
slippery roads.
The cruise control disengages, if the vehicle has the
Traction Control System (TCS) and it begins to limit
wheel spin. See Traction Control System (TCS) on
page 241. When road conditions allow you to safely
use it again, you can turn cruise control back on.
Setting Cruise Control
{ CAUTION:
If you leave your cruise control on when
you are not using cruise, you might hit a
button and go into cruise when you do not
want to. You could be startled and even
lose control. Keep the cruise control switch
off until you want to use cruise control.
1. Move the cruise control switch to on.
2. Get up to the speed desired.
3. Press in the set button at the end of the
lever and release it.
4. Take your foot off the accelerator pedal.
The cruise symbol
on the instrument
panel comes on
when the cruise
control is engaged.
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