
GMC Sierra/Sierra Denali Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-13337776) - 2020 - CRC - 8/27/19
186
Driving and Operating
Lane Change Alert (LCA) . . . . . 274
Lane Departure Warning
(LDW) (2500/3500
Series) . . . . . . . . . . . . . . . . . . . . . . 276
Series) . . . . . . . . . . . . . . . . . . . . . . 278
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . 280
Recommended Fuel (Except
6.2L V8 Engine) . . . . . . . . . . . . . 280
V8 Engine) . . . . . . . . . . . . . . . . . . 281
Prohibited Fuels . . . . . . . . . . . . . . 281
Fuels in Foreign Countries . . . 281
Fuel Additives . . . . . . . . . . . . . . . . 282
E85 or FlexFuel . . . . . . . . . . . . . . 282
Filling the Tank (Pickup
Model) . . . . . . . . . . . . . . . . . . . . . . 283
Model) . . . . . . . . . . . . . . . . . . . . . . 285
Container . . . . . . . . . . . . . . . . . . . 286
Trailer Towing
Information . . . . . . . . . . . . . . . . . . 287
Towing Tips . . . . . . . . . . . . . . . . . 287
Trailer Towing . . . . . . . . . . . . . . . . 292
Towing Equipment . . . . . . . . . . . . 296
Trailer Sway Control (TSC) . . . 308
Trailering App . . . . . . . . . . . . . . . . 310
Conversions and Add-Ons
Equipment . . . . . . . . . . . . . . . . . . 322
Equipment . . . . . . . . . . . . . . . . . . 323
Chassis Cab . . . . . . . . . . . . . . . . 326
Driving Information
Driving for Better Fuel
Economy
Driving habits can affect fuel
mileage. Here are some driving tips
to get the best fuel economy
possible:
.
Set the climate controls to the
desired temperature after the
engine is started, or turn them
off when not required.
.
Avoid fast starts and accelerate
smoothly.
.
Brake gradually and avoid
abrupt stops.
.
Avoid idling the engine for long
periods of time.
.
When road and weather
conditions are appropriate, use
cruise control.
.
Always follow posted speed
limits or drive more slowly when
conditions require.
.
Keep vehicle tires properly
inflated.