Chevrolet 2009 TrailBlazer Owner's Manual page 267

•
Attach a flag to the vehicle to be more visible to
approaching traffic on trails or hills.
•
Sound the horn as you approach the top of the hill
to let opposing traffic know you are there.
•
Use headlamps even during the day to make the
vehicle more visible to oncoming traffic.
CAUTION:
{
Driving to the top (crest) of a hill at full speed can
cause an accident. There could be a drop-off,
embankment, cliff, or even another vehicle. You
could be seriously injured or killed. As you near
the top of a hill, slow down and stay alert.
If the vehicle stalls, or is about to stall, and you cannot
make it up the hill:
•
Push the brake pedal to stop the vehicle and keep
it from rolling backwards and apply the parking
brake.
•
If the engine is still running, shift the transmission
to R (Reverse), release the parking brake, and
slowly back down the hill in R (Reverse).
•
If the engine has stopped running, you need to
restart it. With the brake pedal pressed and the
parking brake still applied, shift the transmission
to P (Park) and restart the engine. Then, shift
to R (Reverse), release the parking brake, and
slowly back down the hill as straight as possible
in R (Reverse).
•
While backing down the hill, put your left hand on the
steering wheel at the 12 o'clock position so you can
tell if the wheels are straight and can maneuver as
you back down. It is best to back down the hill with
the wheels straight rather than in the left or right
direction. Turning the wheel too far to the left or
right will increase the possibility of a rollover.
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