Page 544 of 716

5447-3. Do-it-yourself maintenance
HIGHLANDER_U (OM48F09U)
■After a fuse is replaced
●If the lights do not turn on even after the fuse has been replaced, a bulb may
need replacement. ( P. 545)
● If the replaced fuse blows again, have the vehicle inspected by your Toyota
dealer.
■ If there is an overload in a circuit
The fuses are designed to blow, protecting the wiring harness from damage.
■ When replacing light bulbs
Toyota recommends that you use genuine Toyota products designed for this
vehicle. Because certain bulbs are connected to circuits designed to prevent
overload, non-genuine parts or parts not designed for this vehicle may be
unusable.
WARNING
■To prevent system breakdowns and vehicle fire
Observe the following precautions.
Failure to do so may cause damage to the vehicle, and possibly a fire or
injury.
●Never use a fuse of a higher amperage rating than that indicated, or use\
any other object in place of a fuse.
● Always use a genuine Toyota fuse or equivalent.
Never replace a fuse with a wire, even as a temporary fix.
● Do not modify the fuses or fuse boxes.
NOTICE
■Before replacing fuses
Have the cause of electrical overload determined and repaired by your
Toyota dealer as soon as possible.
Page 621 of 716

6218-2. Steps to take in an emergency
8
When trouble arises
HIGHLANDER_U (OM48F09U)
One of the following may be the cause of the problem:
●There may not be sufficient fuel in the vehicle’s tank.
Refuel the vehicle.
● The engine may be flooded.
Try to restart the engine again following correct starting procedures.
( P. 225, 228)
● There may be a malfunction in the engine immobilizer system.
( P. 80)
One of the following may be the cause of the problem:
● The battery may be discharged. ( P. 627)
● The battery terminal connections may be loose or corroded.
The engine starting system may be malfunctioning due to an electrical
problem such as electronic key battery depletion or a blown fuse.
However, an interim measure is available to start the engine.
( P. 621)
If the engine will not start
If the engine will not start even though correct starting proce-
dures are being followed ( P. 225, 228), consider each of the fol-
lowing points:
The engine will not start even though the starter motor operates
normally.
The starter motor turns over slowly, the interior lights and head-
lights are dim, or the horn does not sound or sounds at a low
volume.
The starter motor does not turn over (vehicles with a smart key
system)
Page 706 of 716

706Alphabetical index
HIGHLANDER_U (OM48F09U)
Front side marker lights.......... 241Light switch ........................... 241
Replacing light bulbs............. 545
Wattage ................................ 651
Front turn signal lights ........... 239
Replacing light bulbs............. 545
Turn signal lever ................... 239
Wattage ................................ 651
Fuel ........................................... 259 Capacity ................................ 641
Fuel gauge .............................. 92
Fuel pump shut off system.... 568
Information ............................ 652
Refueling............................... 259
Type ...................................... 641
Warning light ......................... 571
Fuel consumption
Average fuel economy .... 95, 101
Current fuel consumption ................. 95, 101
Fuel filler door.......................... 259 If the fuel filler door cannot be opened............... 261
Refueling............................... 259
Fuel pump shut off system ..... 568
Fuses ........................................ 541
Garage door opener ................ 470
Gauges ....................................... 92
Glass hatch .............................. 141
Glove box ................................. 451
Grocery bag hooks .................. 457 Hands-free system
(for cellular phone)
*............. 373
Head restraints ........................ 167
Headlights ................................ 241 Automatic High Beam
system .......... ...................... 241
Light switch ........................... 241
Replacing light bulbs ............ 545
Wattage ................................ 651
Heaters Front automatic air
conditioning system............ 432
Front manual air conditioning system .......... ...................... 426
Heated steering wheel .......... 446
Outside rear view mirrors ........................ 428, 434
Rear automatic air conditioning system............ 442
Rear manual air conditioning
system .......... ...................... 439
Seat heaters ......................... 446
Hill-start assist control ........... 301
Hood ......................................... 505
Open ..................................... 505
Hooks Cargo hooks ......................... 457
Coat hooks ........................... 468
Grocery bag hooks ............... 457
Retaining hooks (floor mat) .... 26
Horn .......................................... 171
G
H