Charge warning light
If the light comes on while the engine is run-
ning, it may indicate the charging system is not
functioning properly. Turn the engine off and
check the alternator belt. If the belt is loose,
broken, missing or if the light remains on, see
an INFINITI retailer immediately.
CAUTION
Do not continue driving if the alternator belt is
loose, broken or missing.
Engine oil pressure warning
light
This light warns of low engine oil pressure. If
the light flickers or comes on during normal
driving, pull off the road in a safe area, stop the
engineimmediately and call an INFINITI retailer
or other authorized repair shop.
The engine oil pressure warning light is not de-
signed to indicate a low oil level. Use the dip-
stick to check the oil level. (See “ENGINE OIL” in
the “8. Maintenance and do-it-yourself” sec-
tion.)
CAUTION
Running the engine with the engine oil pres-
sure warning light on could cause serious dam-
age to the engine almost immediately. Such
damage is not covered by warranty. Turn off the
engine as soon as it is safe to do so.
Intelligent Cruise Control
(ICC) system warning light
(orange; if so equipped)
This light comes on if there is a malfunction in
the Intelligent Cruise Control (ICC) system.
If the warning light comes on, park the vehicle
in a safe place. Turn the engine off, restart the
engine, resume driving and set the ICC system
again.
If it is not possible to set the system or the
indicator stays on, it may indicate that the sys-
tem is malfunctioning. Although the vehicle is
still driveable under normal conditions, have the
vehicle checked at an INFINITI retailer.
Intelligent Key warning light
After the ignition switch is pushed to the ON
position, this light comes on for about 2 sec-
onds and then turns off.
This light warns of a malfunction with the
electrical steering lock system (if so equipped)
or the Intelligent Key system.
If the light comes on while the engine is
stopped, it may be impossible to free the
steering lock (if so equipped) or to start the
engine. If the light comes on while the engine is
running, you can drive the vehicle. However in
these cases, contact an INFINITI retailer for
repair as soon as possible.
Low tire pressure warning
light
Your vehicle is equipped with a Tire Pressure
Monitoring System (TPMS) that monitors the
tire pressure of all tires except the spare.
The low tire pressure warning light warns of low
tire pressure or indicates that the TPMS is not
functioning properly.
After the ignition switch is pushed ON, this light
illuminates for about 1 second and turns off.
2-10Instruments and controls
1. Power steering fluid pump
2. Alternator
3. Crankshaft pulley
4. Air conditioner compressor
5. Drive belt auto-tensioner
WARNING
Be sure the ignition switch is in the OFF or LOCK
position before servicing the drive belt. The
engine could rotate unexpectedly.
1. Visually inspect the belt for signs of un-usual wear, cuts, fraying or looseness. If
the belt is in poor condition or loose, have
it replaced or adjusted by an INFINITI
retailer.
2. Have the belt condition checked regularly.WARNING
Be sure the engine and the ignition switch are
off and that the parking brake is engaged
securely.
CAUTION
Be sure to use the correct socket to remove the
spark plugs. An incorrect socket can damage
the spark plugs.
VQ37VHR engine
SDI2119
DRIVE BELT SPARK PLUGS
8-16Maintenance and do-it-yourself