2020 GMC SIERRA Driving

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Page 219 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
218 Driving and Operating
Leaving the Vehicle with the
Engine Running
{Warning
It can be dang

Page 220 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
Driving and Operating 219
2. Release the parking brake if itis applied. See Electric Parking

Page 221 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
220 Driving and Operating
If the vehicle is left parked and
running with the RKE transmitter

Page 222 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
Driving and Operating 221
If the vehicle is left with the engine
running, follow the proper s

Page 223 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
222 Driving and Operating
{Warning
If equipped with four-wheel drive,
the vehicle will be fre

Page 224 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
Driving and Operating 223
D :This position is for normal
driving. It provides the best fuel
e

Page 225 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
224 Driving and Operating
L :This position allows selection of
a range of gears appropriate f

Page 226 of 502

GMC SIERRA 2020  Owners Manual GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 4/4/19
Driving and Operating 225
6-Speed Automatic TransmissionGear before shifting from
D (Drive) t