power steering BUICK ENCLAVE 2022 Owners Manual

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
Instruments and Controls 89
Instruments and Controls
Controls
Steering Wheel Adjustment . . . . . . . . . . . . 90
Steering Wheel Controls . . . . . . . . . . . . . . . 90
Heated Steering Wheel . . . . . . . . . . . . . . . . 90
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
Windshield Wiper/Washer . . . . . . . . . . . . . . 91
Rear Window Wiper/Washer . . . . . . . . . . . 92
Compass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Power Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Wireless Charging . . . . . . . . . . . . . . . . . . . . . . 95
Warning Lights, Gauges, and Indicators
Warning Lights, Gauges, andIndicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Instrument Cluster (Base Level) . . . . . . . . 98
Instrument Cluster (Uplevel) . . . . . . . . . . . 100
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . 102
Tachometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Fuel Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Engine Oil Temperature Gauge (Uplevel Only) . . . . . . . . . . . . . . . . . . . . . . . 103
Engine Coolant Temperature Gauge . . . 103 Voltmeter Gauge (Uplevel Only) . . . . . . . 104
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . 105
Airbag Readiness Light . . . . . . . . . . . . . . . . 105
Passenger Airbag Status Indicator . . . . . 106
Charging System Light . . . . . . . . . . . . . . . . . 107
Malfunction Indicator Lamp (Check
Engine Light) . . . . . . . . . . . . . . . . . . . . . . . . 107
Brake System Warning Light . . . . . . . . . . 108
Electric Parking Brake Light . . . . . . . . . . . . 109
Service Electric Parking Brake Light . . . . 109
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
Lane Keep Assist (LKA) Light . . . . . . . . . . . 110
Vehicle Ahead Indicator . . . . . . . . . . . . . . . . 110
Pedestrian Ahead Indicator . . . . . . . . . . . . 110
Traction Off Light . . . . . . . . . . . . . . . . . . . . . . 110
StabiliTrak OFF Light . . . . . . . . . . . . . . . . . . . 111
Traction Control System (TCS)/StabiliTrak Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Driver Mode Control Light . . . . . . . . . . . . . . 111
Tire Pressure Light . . . . . . . . . . . . . . . . . . . . . 112
Engine Oil Pressure Light . . . . . . . . . . . . . . . 112
Low Fuel Warning Light . . . . . . . . . . . . . . . . 112
Security Light . . . . . . . . . . . . . . . . . . . . . . . . . . 113
High-Beam On Light . . . . . . . . . . . . . . . . . . . . 113
Lamps On Reminder . . . . . . . . . . . . . . . . . . . . 113
Cruise Control Light . . . . . . . . . . . . . . . . . . . . 113
Door Ajar Light . . . . . . . . . . . . . . . . . . . . . . . . 114
Information Displays
Driver Information Center (DIC) (Base Level) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Driver Information Center (DIC) (Uplevel) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Head-Up Display (HUD) . . . . . . . . . . . . . . . . 119
Vehicle Messages
Vehicle Messages . . . . . . . . . . . . . . . . . . . . . . 121
Engine Power Messages . . . . . . . . . . . . . . . 122
Vehicle Speed Messages . . . . . . . . . . . . . . . 122
Vehicle Personalization
Vehicle Personalization . . . . . . . . . . . . . . . . . 122
Universal Remote System
Universal Remote System . . . . . . . . . . . . . . 127
Universal Remote System
Programming . . . . . . . . . . . . . . . . . . . . . . . . 127
Universal Remote System Operation . . . 129

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
90 Instruments and Controls
Controls
Steering Wheel Adjustment
To adjust the steering wheel:1. Pull the lever down.
2. Move the steering wheel up or down.
3. Pull or push the steering wheel closer or away from you.
4. Pull the lever up to lock the steering wheel in place.
Do not adjust the steering wheel while
driving. Power Tilt and Telescoping Steering Wheel
To adjust the steering wheel, if equipped:
1. Press the control up or down to tilt the steering wheel up or down.
2. Press the control forward or rearward to move the steering wheel closer or away
from you.
Do not adjust the steering wheel while
driving.
Steering Wheel Controls
The infotainment system can be operated
by using the steering wheel controls. See
Steering Wheel Controls 0139.
Heated Steering Wheel
(:If equipped, press to turn on or off.
A light near the button displays when the
feature is turned on.
The steering wheel takes about
three minutes to reach maximum heat.
Automatic Heated Steering Wheel
If equipped with remote start, the heated
steering wheel may turn on automatically
during a remote start along with the heated
seats when it is cold outside. The heated
steering wheel indicator light may not
come on.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/3/21
122 Instruments and Controls
All messages should be taken seriously;
clearing the message does not correct the
problem.
If a SERVICE message appears, see your
dealer.
Follow the instructions given in the
messages. The system displays messages
regarding the following topics:
.Service Messages
.Fluid Levels
.Vehicle Security
.Brakes
.Steering
.Ride Control Systems
.Driver Assistance Systems
.Cruise Control
.Lighting and Bulb Replacement
.Wiper/Washer Systems
.Doors and Windows
.Seat Belts
.Airbag Systems
.Engine and Transmission
.Tire Pressure
.Battery
Engine Power Messages
ENGINE POWER IS REDUCED
This message displays when the vehicle's
propulsion power is reduced. A reduction in
propulsion power can affect the vehicle's
ability to accelerate. If this message is on,
but there is no observed reduction in
performance, proceed to your destination.
Under certain conditions the performance
may be reduced the next time the vehicle is
driven. The vehicle may be driven while this
message is on, but maximum acceleration
and speed may be reduced. Anytime this
message stays on, or displays repeatedly,
the vehicle should be taken to your dealer
for service as soon as possible.
Under certain operating conditions,
propulsion will be disabled. Try restarting
after the ignition has been off for
30 seconds.
Vehicle Speed Messages
SPEED LIMITED TO XXX KM/H (MPH)
This message shows that the vehicle speed
has been limited to the speed displayed. The
limited speed is a protection for various
propulsion and vehicle systems, such as
lubrication, thermal, brakes, suspension,
Teen Driver if equipped, or tires.
Vehicle Personalization
The following are all possible vehicle
personalization features. Depending on the
vehicle, some may not be available.
For System, Apps, and Personal features and
functions, see“Settings”in the infotainment
manual.
To access the vehicle personalization menu:
1. Touch the Settings icon on the Home Page of the infotainment display.
2. Touch Vehicle to display a list of available options.
3. Touch to select the desired feature setting.
4. Touch
9orRto turn a feature off or on.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Infotainment System 139
Release to return to playing speed.
SeeUSB Port 0146 or
Bluetooth Audio 0150.
3.O(Power)
.Press to turn the power on.
.Press to mute/unmute the system
when on.
.Press and hold to display the
power off screen or the option to
display the power off screen.
.Turn to decrease or increase the
volume.
4.6
.Radio: Press and release to go to
the next station or channel. Press
and hold to fast seek the next
track or strongest station or
channel.
.USB/Bluetooth: Press to seek the
next track. Press and hold to fast
forward through a track. Release to
return to playing speed. See USB
Port 0146 or
Bluetooth Audio 0150.
5.SBACK
.BACK may include an arrow or not
next to the icon. Either way, the
function is the same. Press
S
BACK to return to the previous
display in a menu.
Home Page
The Home Page is where vehicle application
icons are accessed. Some applications are
disabled when the vehicle is moving.
Swipe left or right across the display to
access the pages of icons.
Managing Home Page Icons 1. Touch and hold any of the Home Page icons to enter edit mode.
2. Continue holding the icon and drag it to the desired position.
3. Release your finger to drop the icon in the desired position.
4. To move an application to another page, drag the icon to the edge of the display
toward the desired page.
5. Continue dragging and dropping application icons as desired.
Steering Wheel Controls
If equipped, some audio controls can be
adjusted at the steering wheel.
g:Press to answer an incoming call or
start voice recognition. See Bluetooth
(Pairing and Using a Phone) 0168 or
Bluetooth (Overview) 0167.
c:Press to reject an incoming call or end
a current call. Press to mute or unmute the
infotainment system when not on a call.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Driving and Operating 197
Driving and Operating
Driving Information
Driving for Better Fuel Economy . . . . . . . 198
Distracted Driving . . . . . . . . . . . . . . . . . . . . . 198
Defensive Driving . . . . . . . . . . . . . . . . . . . . . . 199
Impaired Driving . . . . . . . . . . . . . . . . . . . . . . 199
Control of a Vehicle . . . . . . . . . . . . . . . . . . . 199
Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Steering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . 201
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . 201
Off-Road Driving . . . . . . . . . . . . . . . . . . . . . . . 201
Driving on Wet Roads . . . . . . . . . . . . . . . . . 205
Hill and Mountain Roads . . . . . . . . . . . . . . 205
Winter Driving . . . . . . . . . . . . . . . . . . . . . . . . 206
If the Vehicle Is Stuck . . . . . . . . . . . . . . . . . 207
Vehicle Load Limits . . . . . . . . . . . . . . . . . . . . 208
Starting and Operating
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . 211
Ignition Positions . . . . . . . . . . . . . . . . . . . . . . 211
Starting the Engine . . . . . . . . . . . . . . . . . . . . 213
Stop/Start System . . . . . . . . . . . . . . . . . . . . . 213
Engine Heater . . . . . . . . . . . . . . . . . . . . . . . . . 214
Retained Accessory Power (RAP) . . . . . . . 216Shifting Into Park . . . . . . . . . . . . . . . . . . . . . . 216
Shifting out of Park . . . . . . . . . . . . . . . . . . . . 217
Parking over Things That Burn . . . . . . . . . 217
Extended Parking . . . . . . . . . . . . . . . . . . . . . . 217
Engine Exhaust
Engine Exhaust . . . . . . . . . . . . . . . . . . . . . . . . 217
Running the Vehicle While Parked . . . . . 218
Automatic Transmission
Automatic Transmission . . . . . . . . . . . . . . . 218
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Drive Systems
All-Wheel Drive . . . . . . . . . . . . . . . . . . . . . . . . 222
Brakes
Antilock Brake System (ABS) . . . . . . . . . . . 222
Electric Parking Brake . . . . . . . . . . . . . . . . . . 223
Brake Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Hill Start Assist (HSA) . . . . . . . . . . . . . . . . . 224
Ride Control Systems
Traction Control/Electronic Stability
Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Driver Mode Control . . . . . . . . . . . . . . . . . . 226
Cruise Control
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . 227
Adaptive Cruise Control (Advanced) . . . 229
Driver Assistance Systems
Driver Assistance Systems . . . . . . . . . . . . . 237
Assistance Systems for Parking or Backing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Rear Vision Camera (RVC) . . . . . . . . . . . . . 239
Surround Vision System . . . . . . . . . . . . . . . 240
Park Assist . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242
Rear Pedestrian Alert . . . . . . . . . . . . . . . . . . 243
Rear Cross Traffic Alert (RCTA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244
Assistance Systems for Driving . . . . . . . . 244
Forward Collision Alert (FCA) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 245
Automatic Emergency Braking (AEB) . . . 247
Front Pedestrian Braking (FPB) System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Side Blind Zone Alert (SBZA) . . . . . . . . . . 250
Lane Change Alert (LCA) . . . . . . . . . . . . . . . 250
Lane Keep Assist (LKA) . . . . . . . . . . . . . . . . . 252
Fuel
Top Tier Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Recommended Fuel . . . . . . . . . . . . . . . . . . . . 254
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 254
Fuels in Foreign Countries . . . . . . . . . . . . . 254
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . 254
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 255
Filling a Portable Fuel Container . . . . . . . 256

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/4/21
200 Driving and Operating
Helpful braking tips to keep in mind include:
.Keep enough distance between you and
the vehicle in front of you.
.Avoid needless heavy braking.
.Keep pace with traffic.
If the engine ever stops while the vehicle is
being driven, brake normally but do not
pump the brakes. Doing so could make the
pedal harder to push down. If the engine
stops, there will be some power brake assist
but it will be used when the brake is
applied. Once the power assist is used up, it
can take longer to stop and the brake pedal
will be harder to push.
Steering
Electric Power Steering
Caution
To avoid damage to the steering system,
do not drive over curbs, parking barriers,
or similar objects at speeds greater than
3 km/h (1 mph). Use care when driving
over other objects such as lane dividers
and speed bumps. Damage caused by
misuse of the vehicle is not covered by
the vehicle warranty.
The vehicle has electric power steering.
It does not have power steering fluid.
Regular maintenance is not required.
If power steering assist is lost due to a
system malfunction, the vehicle can be
steered, but may require increased effort.
If the steering assist is used for an extended
period of time while the vehicle is not
moving, power assist may be reduced.
If the steering wheel is turned until it
reaches the end of its travel and is held
against that position for an extended period
of time, power steering assist may be
reduced. Normal use of the power steering assist
should return when the system cools down.
See your dealer if there is a problem.
Curve Tips
.Take curves at a reasonable speed.
.Reduce speed before entering a curve.
.Maintain a reasonable steady speed
through the curve.
.Wait until the vehicle is out of the curve
before accelerating gently into the
straightaway.
Steering in Emergencies
.There are some situations when steering
around a problem may be more effective
than braking.
.Holding both sides of the steering wheel
allows you to turn 180 degrees without
removing a hand.
.The Antilock Brake System (ABS) allows
steering while braking.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15253195) - 2022 - CRC - 11/4/21
212 Driving and Operating
To shift out of P (Park), the engine must be
running, and the brake pedal must be
applied.
Stopping the Engine/OFF (No Indicator
Lights) :When the vehicle is stopped, press
ENGINE START/STOP once to turn the
engine off.
If the vehicle is in P (Park), the ignition will
turn off, and Retained Accessory Power (RAP)
will remain active. See Retained Accessory
Power (RAP) 0216.
If the vehicle is in R (Reverse), D (Drive) or
L (Low), the vehicle will shift to P (Park), the
ignition will turn off, and Retained Accessory
Power (RAP) will remain active.
If the vehicle is in N (Neutral), the ignition
will return to ACC/ACCESSORY and display
the message SHIFT TO PARK in the Driver
Information Center (DIC). When the vehicle is
shifted into P (Park), the ignition will
turn off.
Do not turn the engine off when the vehicle
is moving. This will cause a loss of power
assist in the brake and steering systems and
disable the airbags. If the vehicle must be shut off in an
emergency:
1. Brake using a firm and steady pressure. Do not pump the brakes repeatedly. This
may deplete power assist, requiring
increased brake pedal force.
2. Shift the vehicle to N (Neutral). This can be done while the vehicle is moving.
After shifting to N (Neutral), firmly apply
the brakes and steer the vehicle to a
safe location.
3. Come to a complete stop and shift to P (Park).
4. Set the parking brake. See Electric
Parking Brake 0223.
5. Press ENGINE START/STOP to turn the vehicle off.
{Warning
Turning off the vehicle while moving may
cause loss of power assist in the brake
and steering systems and disable the
airbags. While driving, only shut the
vehicle off in an emergency. If the vehicle cannot be pulled over, and
must be shut off while driving, press and
hold ENGINE START/STOP for longer than
two seconds, or press twice in five seconds.
ACC/ACCESSORY (Amber Indicator Light) :
This mode allows some electrical accessories
to be used when the engine is off.
With the ignition off, pressing the
button one time without the brake pedal
applied will place the ignition system in
ACC/ACCESSORY.
The ignition will switch from
ACC/ACCESSORY to OFF after five minutes to
prevent battery rundown.
ON/RUN/START (Green Indicator Light) :
This
mode is for driving and starting. With the
ignition off, and the brake pedal applied,
pressing the button once will place the
ignition system in ON/RUN/START. Once
engine cranking begins, release the button.
Engine cranking will continue until the
engine starts. See Starting the Engine 0213.
The ignition will then remain on.
Service Mode
This power mode is available for service and
diagnostics, and to verify the proper
operation of the malfunction indicator lamp
as may be required for emission inspection

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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222 Driving and Operating
be completed. Slow the vehicle, then tap the
left steering wheel control to the desired
lower gear range.
Cruise control can be used while in ERS.
Drive Systems
All-Wheel Drive
Vehicles with this feature can operate in
AWD Mode.
Press the button to select All-Wheel
Drive (AWD).
The AWD Mode will stay selected until the
mode is changed. SeeDriver Mode Control
0 226. When operated in FWD, the vehicle will
deliver power to the front wheels only and
may provide better fuel economy.
When using a compact spare tire on an
AWD vehicle, the system automatically
detects the compact spare and reduces AWD
performance to protect the system. To
restore full AWD operation and prevent
excessive wear on the system, replace the
compact spare with a full-size tire as soon as
possible. See
Compact Spare Tire 0320.
Brakes
Antilock Brake System (ABS)
The Antilock Brake System (ABS) helps
prevent a braking skid and maintain steering
while braking hard.
ABS performs a system check when the
vehicle is first driven. A momentary motor
or clicking noise may be heard while this
test is going on, and the brake pedal may
move slightly. This is normal.
If there is a problem with ABS, this warning
light stays on. See Antilock Brake System
(ABS) Warning Light 0109.
ABS does not change the time needed to
get a foot on the brake pedal and does not
always decrease stopping distance. If you
get too close to the vehicle ahead, there will
not be enough time to apply the brakes if
that vehicle suddenly slows or stops. Always
leave enough room ahead to stop, even
with ABS.
Using ABS
Do not pump the brakes. Just hold the brake
pedal down firmly. Hearing or feeling ABS
operate is normal.
Braking in Emergencies
ABS allows steering and braking at the same
time. In many emergencies, steering can
help even more than braking.

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Vehicle Care 293
The vehicle may not be equipped with all of
the fuses, relays, and features shown.Fuses Usage
F1 Body Control Module 6
F2 Diagnostic Link
F3 Electric Steering Column Lock
F4 Rear USB Port F5 Rear Sunshade/Park/ Reverse/Neutral/
Drive/Low
F6 Heating, Ventilation, and Air Conditioning
F7 Body Control Module 3
F8 Adaptive Front Lighting System
F9 Right Front Heated Seat
F10 Airbag F11 –
F12 Amplifier
F13 Body Control Module 7
F14 Left Front Heated Seat F15 – Fuses Usage
F16 SunroofF17 Communication Gateway Module
F18 Instrument Cluster/ Head Up Display
F19 Body Control Module 1
F20 Wireless Charger Module
F21 Body Control Module 4
F22 Infotainment
F23 Body Control Module 2
F24 Park/Reverse/Neutral/ Drive/Low
F25 Park Assist/Shifter Interface Board
F26 Communications Integration Module
F27 Video
F28 Radio/Heating, Ventilation, and Air
Conditioning Display
F29 Radio Fuses Usage
F30 Steering Wheel ControlsF31 Front Blower
F32 DC AC Inverter
F33 Driver Power Seat
F34 Passenger Power Seat F35 Feed/Body Control Module 4
F36 Electric Power Steering F37 Power Outlet/Wireless Charger/Accessory
F38 Body Control Module 8
F39 –
Circuit Breakers/ Minifuse Usage
F40 –
F41 –
F42 Auxiliary Power Outlet (CB)/Lighter (Minifuse)

Buick Enclave Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
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Vehicle Care 329
Caution
Using petroleum-based tire dressing
products on the vehicle may damage the
paint finish and/or tires. When applying a
tire dressing, always wipe off any
overspray from all painted surfaces on
the vehicle.
Wheels and Wheel Trim
Use a soft, clean cloth with mild soap and
water to clean the wheels. After rinsing
thoroughly with clean water, dry with a
soft, clean towel. A wax may then be
applied.
Caution
Chrome wheels and chrome wheel trim
may be damaged if the vehicle is not
washed after driving on roads that have
been sprayed with magnesium chloride or
calcium chloride. These are used on roads
for conditions such as dust and ice.
Always wash the chrome with soap and
water after exposure.
Caution
To avoid surface damage on wheels and
wheel trim, do not use strong soaps,
chemicals, abrasive polishes, cleaners,
or brushes. Use only GM approved
cleaners. Do not drive the vehicle through
an automatic car wash that uses silicon
carbide tire/wheel cleaning brushes.
Damage could occur and the repairs
would not be covered by the vehicle
warranty.
Brake System
Visually inspect brake lines and hoses for
proper attachment, connections, binding,
leaks, cracks, chafing, etc. Inspect disc brake
pads for wear and rotors for surface
condition. Inspect drum brake linings/shoes
for wear or cracks. Inspect all other brake
parts for cracks and leaks.
Steering, Suspension, and Chassis
Components
Visually inspect steering, suspension, and
chassis components for damaged, loose,
or missing parts or signs of wear at least
once a year.Inspect power steering for proper electrical
connections, binding, cracks, chafing, etc.
Visually check constant velocity joint boots
and axle seals for leaks.
Body Component Lubrication
Lubricate all key lock cylinders, hood hinges,
liftgate hinges, and the steel fuel door
hinges, unless the components are plastic.
Applying silicone grease on weatherstrips
with a clean cloth will make them last
longer, seal better, and not stick or squeak.
Underbody Maintenance
At least twice a year, spring and fall, use
plain water to flush any corrosive materials
from the underbody. Take care to
thoroughly clean any areas where mud and
other debris can collect.
Do not directly power wash the transfer
case and/or front/rear axle output seals.
High pressure water can overcome the seals
and contaminate the fluid. Contaminated
fluid will decrease the life of the transfer
case and/or axles and should be replaced.