2005 Pontiac Aztek Owner's Manual - Page 342

2005 Pontiac Aztek Manual

Page 342 highlights

Check Tire Pressure System Your vehicle may have a check tire pressure system that can alert you to a large change in the pressure of one tire. The system will not alert you before you drive that a tire is low or flat. You must begin driving before the system will work properly. The LOW TIRE PRESSURE message will appear on the Driver Information Center (DIC) and/or the LOW TIRE PRESSURE message will come on the message center if pressure difference, or low pressure, is detected in one tire. In the following conditions, the LOW TIRE PRESSURE may not come on even if the tire pressure is low, or it may come on when the tire pressure is actually normal if: • The compact spare tire is installed. • Tire chains are being used. • The vehicle is being driven on a rough or frozen road. If the anti-lock brake system warning light comes on, the check tire pressure system may not be working properly. See your dealer for service. Also, see Anti-Lock Brake System Warning Light on page 3-33. The check tire pressure system detects differences in tire rotation speeds that are caused by changes in tire pressure. The system can alert you about a low tire - but it does not replace normal tire maintenance. See Tires on page 5-52. When the LOW TIRE PRESSURE message appears on the Driver Information Center and/or the LOW TIRE PRESSURE message comes on the message center, you should stop as soon as you can and check all your tires for damage. If a tire is flat, see If a Tire Goes Flat on page 5-70. Also check the tire pressure in all four tires as soon as you can. See Inflation - Tire Pressure on page 5-58. Any time you adjust a tire's pressure or have one or more tires repaired or replaced, you will need to reset, or calibrate, the check tire pressure system. You will also need to reset the system whenever you rotate the tires, buy new tires and install or remove the compact spare. • More than one tire is low. • Only one tire is replaced with a new tire during service. • The vehicle is moving faster than 70 mph (113 km/h). • The system is not yet calibrated. • The tire treadwear is uneven. 5-60

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Check Tire Pressure System
Your vehicle may have a check tire pressure system
that can alert you to a large change in the pressure of
one tire. The system will not alert you before you
drive that a tire is low or flat. You must begin driving
before the system will work properly.
The LOW TIRE PRESSURE message will appear on
the Driver Information Center (DIC) and/or the LOW
TIRE PRESSURE message will come on the message
center if pressure difference, or low pressure, is
detected in one tire. In the following conditions, the
LOW TIRE PRESSURE may not come on even if the
tire pressure is low, or it may come on when the
tire pressure is actually normal if:
More than one tire is low.
Only one tire is replaced with a new tire
during service.
The vehicle is moving faster than
70 mph (113 km/h).
The system is not yet calibrated.
The tire treadwear is uneven.
The compact spare tire is installed.
Tire chains are being used.
The vehicle is being driven on a rough or
frozen road.
If the anti-lock brake system warning light comes on,
the check tire pressure system may not be working
properly. See your dealer for service. Also, see
Anti-Lock Brake System Warning Light on page 3-33
.
The check tire pressure system detects differences
in tire rotation speeds that are caused by changes in
tire pressure. The system can alert you about a low
tire – but it does not replace normal tire maintenance.
See
Tires on page 5-52
.
When the LOW TIRE PRESSURE message appears on
the Driver Information Center and/or the LOW TIRE
PRESSURE message comes on the message center,
you should stop as soon as you can and check all your
tires for damage. If a tire is flat, see
If a Tire Goes
Flat on page 5-70
. Also check the tire pressure in all four
tires as soon as you can. See
Inflation - Tire Pressure
on page 5-58
.
Any time you adjust a tire’s pressure or have one or more
tires repaired or replaced, you will need to reset, or
calibrate, the check tire pressure system. You will also
need to reset the system whenever you rotate the tires,
buy new tires and install or remove the compact spare.
5-60