Driving Information; Driving For Better Fuel; Economy - GMC SIERRA 2020 Owner's Manual

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186
Driving and Operating
(LDW) (2500/3500
Series) . . . . . . . . . . . . . . . . . . . . . . 276
Series) . . . . . . . . . . . . . . . . . . . . . . 278
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . 280
6.2L V8 Engine) . . . . . . . . . . . . . 280
V8 Engine) . . . . . . . . . . . . . . . . . . 281
Prohibited Fuels . . . . . . . . . . . . . . 281
Fuel Additives . . . . . . . . . . . . . . . . 282
E85 or FlexFuel . . . . . . . . . . . . . . 282
Model) . . . . . . . . . . . . . . . . . . . . . . 283
Filling the Tank (Chassis Cab
Model) . . . . . . . . . . . . . . . . . . . . . . 285
Container . . . . . . . . . . . . . . . . . . . 286
Trailer Towing
Information . . . . . . . . . . . . . . . . . . 287
Driving Characteristics and
Towing Tips . . . . . . . . . . . . . . . . . 287
Trailer Towing . . . . . . . . . . . . . . . . 292
Towing Equipment . . . . . . . . . . . . 296
Trailering App . . . . . . . . . . . . . . . . 310
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.

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