What you should know about fail-safe cooling (if equipped)
If the engine coolant supply is depleted, this feature allows the vehicle to
be driven temporarily before incremental component damage is incurred.
The ªfail-safeº distance depends on ambient temperatures, vehicle load
and terrain.
How fail-safe cooling works
If the engine begins to overheat:
²the engine coolant temperature
gauge will move to the red (hot)
area.
²the
andsymbol will
illuminate.
²theService Engine Soon
indicator light will illuminate.
If the engine reaches a preset over-temperature condition, the engine
will automatically switch to alternating cylinder operation. Each disabled
cylinder acts as an air pump and cools the engine.
When this occurs the vehicle will still operate. However:
²the engine power will be limited.
²the air conditioning system will be disabled.
Continued operation will increase the engine temperature and the engine
will completely shut down, causing steering and braking effort to increase.
Once the engine temperature cools, the engine can be re-started. Take
your vehicle to a service facility as soon as possible to minimize engine
damage.
When fail-safe mode is activated
You have limited engine power when in the fail-safe mode, so drive the
vehicle with caution. The vehicle will not be able to maintain high-speed
operation and the engine will run rough. Remember that the engine is
capable of completely shutting down automatically to prevent engine
damage, therefore:
1. Pull off the road as soon as safely possible and turn off the engine.
2. Arrange for the vehicle to be taken to a service facility.
3. If this is not possible, wait a short period for the engine to cool.
4. Check the coolant level and replenish if low.
H
C
Maintenance and care
170
Engine block heater .................110
Engine oil ..................................160
checking and adding ..............160
dipstick ....................................160
filter, specifications ........162, 204
recommendations ...................162
refill capacities ........................204
specifications ..................207, 209
Exhaust fumes ..........................111
F
Fail safe cooling ........................170
Fluid capacities .........................204
Four-Wheel Drive vehicles..13, 119
control trac ...............................19
description ..............................121
driving off road .......................123
electronic shift ..........19, 120±121
indicator light ...................12, 120
preparing to drive your
vehicle .....................................115
Fuel ............................................185
calculating fuel economy .......189
cap ...........................................188
capacity ...................................204
choosing the right fuel ...........187
comparisons with EPA fuel
economy estimates .................192
detergent in fuel .....................188
filling your vehicle
with fuel ..................185, 188±189
filter, specifications ........189, 204
fuel pump shut-off switch .....137
gauge .........................................15
improving fuel economy ........189
low fuel warning light ................8
octane rating ...................187, 209
quality ......................................187
running out of fuel .................188safety information relating to
automotive fuels .....................185
Fuses ..................................138±139
G
Garage door opener ....................56
Gas cap (see Fuel cap) ............188
Gas mileage
(see Fuel economy) .................189
Gauges .........................................14
battery voltage gauge ...............17
engine coolant temperature
gauge .........................................15
engine oil pressure gauge ........17
fuel gauge ..................................15
odometer ...................................16
speedometer .............................15
tachometer ................................17
trip odometer ............................16
GAWR (Gross
Axle Weight Rating) .................125
calculating ...............................127
definition .................................125
driving with a heavy load ......125
location ....................................125
GVWR (Gross
Vehicle Weight Rating) .............125
calculating .......................125, 127
definition .................................125
driving with a heavy load ......125
location ....................................125
H
Hazard flashers .........................137
Head restraints ...........................77
Headlamps ...................................18
aiming ......................................199
Index
227
