Gmc 2003 Sierra User Manual download pdf (Page 113)

Autoniratic Transmission Operation

yiour vehicle equipped with an ahdQmatic

iransiTiJssion, It features an electronic shift position

iniiticatar within thg insEiurnent panel cluster. This display

must t>e poiArerecJ anytiirte the sTiid lever is capabfe oi

being moved out of PARK {P}, See Fuses and

Circtiii Breakers on page S-ni.

Thera are eevenal ditferenl pcsrlions for your shjlt lever.

PARK(P): This posilron locks your rear whfiEls. It's

the best position to uso whan you start your engine

because your vehicle can't tnove easily. If your vehicle

is equipped with the Allison" Transmissjon, use part?

for stationary operation of the Power Takeoff (PTO) (if

equipped).

A CAUTION:

It fs dangerous to get out of your vehicle if the

shift teVer is not fully In PARK (P) With the

parking brake firmly set Your vehicle can roll.

Oon't leave your vehicle when the engine is

running unless you have to. if you have left the

engine running, the vehicle can move

suddenlyn You or others could be injured. To

be sure your vehicle wonT move, even when

you're on fairly level ground, always set your

parking brake and move the shift lever to

PARK (P). See ' Shifting into Park fP)" in the

Index, If you’re pulling a trailer, Eoe "Towing a

Trailer'’ in the Index.

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Gmc 2003 Sierra User Manual Page 113