GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-11349177) - 2018 - crc - 5/11/17
In Brief
21
Dual Automatic Climate Control System
1. Driver Temperature Control
2. A/C (Air Conditioning)
3. Air Delivery Mode Controls
4. Fan Control
5. Defrost
6. Passenger Temperature
Control
7. SYNC (Synchronized
Temperature)
8. Rear Window Defogger
9. Power Button
10. Air Recirculation
11. AUTO (Automatic Operation)
See
Dual Automatic Climate Control
Transmission
Range Selection Mode
The Range Selection Mode switch,
if equipped, is on the shift lever.
1. To enable the Range Selection
feature, move the shift lever to
the L (Manual Mode) position.
The current range will appear
next to the L. This is the
highest attainable range with
all lower gears accessible. As
an example, when 5 (Fifth)
gear is selected, 1 (First)
through 5 (Fifth) gears are
available.
2. Press the plus/minus buttons
on the shift lever to select the
desired range of gears for
current driving conditions. See
.
While using Range Selection Mode,
cruise control and the Tow/Haul
Mode can be used.
Grade Braking is not available when
Range Selection Mode is active.
See