GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
328 Vehicle Care
Extended Storage: Remove the black,
negative (−) cable from the battery or use a
battery trickle charger.
Negative Battery Cable Disconnection
{Warning
Before disconnecting the negative battery
cable, turn off all features, turn the
ignition off, and remove the key,
if equipped, from the vehicle. If this is
not done, you or others could be injured,
and the vehicle could be damaged.
Caution
If the battery is disconnected with the
ignition on or the vehicle in Retained
Accessory Power (RAP), the OnStar
back-up battery will be permanently
discharged and will need to be replaced.
1. Make sure the lamps, features, and accessories are turned off.
2. Turn the vehicle off and remove the key, if equipped.
1. Loosen the negative battery cable nut (1).
2. Remove the negative battery cableclamp (2) from the negative battery post.
3. Cover the negative battery cable clamp, and negative battery post with a
non-conductive material to prevent any
contact with the negative battery cable.
Negative Battery Cable Reconnection
Caution
When reconnecting the battery:
.Use the original nut from the vehicle
to secure the negative battery cable.
Do not use a different nut. If you
need a replacement nut, see your
dealer.
.Tighten the nut with a hand tool. Do
not use an impact wrench or power
tools to tighten the nut.
The vehicle could be damaged if these
guidelines are not followed.
Caution
Do not use paints, lubricants, or corrosion
inhibitors on the nut that secures the
negative battery cable to the vehicle. This
could damage the vehicle.
1. Install the negative battery cable clamp to the negative battery post.
2. Tighten the negative battery cable nut.
3. Turn the vehicle on.
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
Customer Information 409
In the U.S., anyone driving the vehicle is
covered. In Canada, a person driving the
vehicle without permission from the owner
is not covered.
Roadside Assistance is not a part of the New
Vehicle Limited Warranty. General Motors
North America and GMC reserve the right to
make any changes or discontinue the
Roadside Assistance program at any time
without notification.
General Motors North America and GMC
reserve the right to limit services or
payment to an owner or driver if they
decide the claims are made too often, or the
same type of claim is made many times.
Services Provided
.Emergency Fuel Delivery:Delivery of
enough fuel for the vehicle to get to the
nearest service station.
.Lock-Out Service: Service to unlock the
vehicle if you are locked out. A remote
unlock may be available if you have
OnStar. For security reasons, the driver
must present identification before this
service is given.
.Emergency Tow from a Public Road or
Highway: Tow to the nearest GMC dealer
for warranty service, or if the vehicle was
in a crash and cannot be driven.
Assistance is not given when the vehicle
is stuck in the sand, mud, or snow.
.Flat Tire Change: Service to change a flat
tire with the spare tire. The spare tire,
if equipped, must be in good condition
and properly inflated. It is the owner's
responsibility for the repair or
replacement of the tire if it is not covered
by the warranty.
.Battery Jump Start: Service to jump start
a dead battery.
.Trip Interruption Benefits and Assistance:
If your trip is interrupted due to a
warranty event, incidental expenses may
be reimbursed within the Powertrain
warranty period. Items considered are
reasonable and customary hotel, meals,
rental car, or a vehicle being delivered
back to the customer, up to 500 miles.
Services Not Included in Roadside
Assistance
.Impound towing caused by violation of
any laws
.Legal fines
.Mounting, dismounting, or changing of
snow tires, chains, or other traction
devices
Service is not provided if a vehicle is in an
area that is not accessible to the service
vehicle or is not a regularly traveled or
maintained public road, which includes ice
and winter roads. Off-road use is not
covered.
Services Specific to Canadian-Purchased
Vehicles
.Fuel Delivery: Reimbursement is up to
7 liters. Diesel fuel delivery may be
restricted. Propane and other fuels are
not provided through this service.
.Lock-Out Service: Vehicle registration is
required.
GMC Sierra/Sierra Denali 2500 HD/3500 HD Owner Manual (GMNA-
Localizing-U.S./Canada-16908340) - 2024 - CRC - 12/7/22
426 Index
Assistance Program, Roadside . . . . . . . . . . . . 408
Assistance SystemsAdvanced . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Automatic EmergencyBraking (AEB) . . . . . . . . . . . . . . . . . . . . . . . . 265
Driving . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Front Pedestrian Braking (FPB) . . . . . . . . . 266
Lane Change Alert (LCA) . . . . . . . . . . . . . . . 268
Lane Departure Warning (LDW) . . . . . . . . 270
Parking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Parking and Backing . . . . . . . . . . . . . . . . . . . 253
Rear Cross Traffic Alert (RCTA) . . . . . . . . . 263
Rear Vision Camera (RVC) . . . . . . . . . . . . . . 253
Surround Vision System . . . . . . . . . . . . . . . 254
Audio Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . 163, 164
Automatic Dimming Mirrors . . . . . . . . . . . . . . . . . . . . . . . 37
Door Locks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Emergency Braking (AEB) DisabledLight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Headlamp System . . . . . . . . . . . . . . . . . . . . . 145
Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Transmission Fluid . . . . . . . . . . . . . . . . . . . . . . 317
Transmission Shift Lock Control Function Check . . . . . . . . . . . . . . . . . . . . . . . 330 Automatic Transmission
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . 226
Auxiliary Roof Mounted Lamp . . . . . . . . . . . . . . . . . . . 148
Avoiding Untrusted Media Devices . . . . . . . 163
Axle Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 329
B
BatteryExterior Lighting Battery Saver . . . . . . . . 152
Load Management . . . . . . . . . . . . . . . . . . . . . 152
Power Protection . . . . . . . . . . . . . . . . . . . . . . 152
Battery - North America . . . . . . . . . . . . .327, 376
Blade Replacement, Wiper . . . . . . . . . . . . . . . . 331
Blind Spot Mirrors . . . . . . . . . . . . . . . . . . . . . . . . .37
Bluetooth Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163, 164
Overview . . . . . . . . . . . . . . . . . . . . . . 170, 171, 174
Brake
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 326
Pad Life System . . . . . . . . . . . . . . . . . . . . . . . 325
System Warning Light . . . . . . . . . . . . . . . . . 124
Brake Pad Life System . . . . . . . . . . . . . . . . . . . 325
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 325 Antilock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . 235 Brakes (cont'd)
Electric Parking Brake . . . . . . . . . . . . . . . . . . 234
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200 Automatic Emergency (AEB) . . . . . . . . . . . 265
Front Pedestrian (FPB) System . . . . . . . . . 266
Break-In, New Vehicle . . . . . . . . . . . . . . . . . . . . 216
Buckle To Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . 333 Center High-Mounted Stoplamp(CHMSL) and Cargo Lamp . . . . . . . . . . . . 335
Halogen Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . 333
Headlamp Aiming . . . . . . . . . . . . . . . . . . . . . . 333
Headlamps, Front Turn Signal, Sidemarker, and Parking Lamps . . . . . . 333
License Plate Lamps . . . . . . . . . . . . . . . . . . . 335
Taillamps, Turn Signal, Stoplamps, and Back-up Lamps . . . . . . . . . . . . . . . . . . 334
Buying New Tires . . . . . . . . . . . . . . . . . . . . . . . . 360
C
Calibration Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
California Perchlorate Materials Requirements . . . 310
California Proposition 65 Warning . . . . . 1, 376
Camera Rear Vision (RVC) . . . . . . . . . . . . . . . . . . . . . . 253
Truck Bed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41