GMC Yukon 2025 - Starting and Operating New Vehicle Break-In

GMC Yukon/Yukon XL/Denali Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-17942154) - 2025
Driving and Operating 195
Caution
Overloading the vehicle may cause
damage. Repairs would not be covered
by the vehicle warranty. Do not overload
the vehicle.
The label will help decide how much
ca
rgo and installed equipment the truck
can carry.
Using heavier suspension components to
get added durability might not change the
weight ratings. Ask your dealer to help
load the vehicle the right way.
{ Warning
T
hings you put inside the vehicle can
st
rike and injure people in asudden
stop or turn, or in acrash.
•
Put things in the cargo area of
the vehicle. Try to spread the
weight evenly.
(Continued)
Warning (Continued)
•
Ne
ver stack heavier things, like
suitcases, inside the vehicle so that
some of them are above the tops of
the seats.
•
Do not leave an unsecured child
restraint in the vehicle.
•
When you carry something inside
the vehicle, secure it whenever
you can.
•
Do not leave aseat folded down
unless you need to.
There is also important loading
in
formation for off-road driving in this
manual. See “Loading Your Vehicle for
Off-Road Driving” under Off-Road Driving
3184.
Starting and Operating
Ne
w Vehicle Break-In
Caution
During the first 800 km (500 mi) of
driving this vehicle, overall performance
will benefit by following these break-in
period recommendations:
•
Avoid full throttle starts and
abrupt stops.
•
Avoid exceeding the following
engine speeds when accelerating
or downshifting to slow or brake
the vehicle:
Gasoline engines: 4000 rpm
Diesel engines: 3000 rpm
•
Avoid making hard stops for the first
300 km (200 mi). Hard stops with new
brake linings can result in premature
wear and earlier replacement. Follow
this guideline every time brake linings
are replaced.
(Continued)