Starting And Operating; New Vehicle Break-In - GMC YUKON 2018 Owner's Manual

204 Driving and Operating
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
Things you put inside the
vehicle can strike 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.
Never 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.
(Continued)
Warning (Continued)
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
information for off-road driving in
this manual. See Loading Your
Vehicle for Off-Road Driving
under Off-Road Driving 0 192.
Starting and
Operating

New Vehicle Break-In

Caution
The vehicle does not need an
elaborate break-in. But it will
perform better in the long run if
you follow these guidelines:
Keep the vehicle speed at
88 km/h (55 mph) or less for
the first 805 km (500 mi).
Do not drive at any one
constant speed, fast or slow,
for the first 805 km (500 mi).
Do not make full-throttle
starts. Avoid downshifting to
brake or slow the vehicle.
Avoid making hard stops for
the first 322 km (200 mi) or
so. During this time the new
brake linings are not yet
broken in. Hard stops with
new linings can mean
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