Chevrolet Blazer Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-
15165663) - 2022 - CRC - 6/2/21
122 Lighting
Rear Reading Lamps
The rear reading lamps are over the rear
seats or over the rear passenger doors.
Press the lamp lens to turn the rear
passenger reading lamps on or off.
Lighting Features
Entry Lighting
The interior lamps turn on when pressing K
on the Remote Keyless Entry (RKE)
transmitter or opening any doors, and the
dome lamp control is in the DOOR position.
Some exterior lamps also turn on when
pressing
K on the RKE transmitter or
opening any doors. Low-Beam lamps will
only turn on briefly at night, or in areas
with limited lighting.
All lamps will gradually fade out after about
30 seconds.
Entry lighting can be disabled manually by
closing all doors, pressing
Q on the RKE
transmitter, or starting the vehicle.
This feature can be changed. See “Vehicle
Locator Lights” under Vehicle Personalization
0 109.
Exit Lighting
Some exterior lamps and interior lamps turn
on when the key is removed from the
ignition.
The exterior and interior lamps remain on
for a set amount of time, then automatically
turn off. If equipped with Keyless Access,
the exterior lamps automatically turn on
when the driver door is opened after the
ignition is turned off.
The interior lights turn on when the ignition
is turned off.
The exterior lamps turn off immediately by
turning the exterior lamp control off.
This feature can be changed. See Vehicle
Personalization 0 109.
Battery Load Management
The vehicle has Electric Power Management
(EPM) that estimates the battery's
temperature and state of charge. It then
adjusts the voltage for best performance
and extended life of the battery.
When the battery's state of charge is low,
the voltage is raised slightly to quickly bring
the charge back up. When the state of
charge is high, the voltage is lowered
slightly to prevent overcharging. If the
vehicle has a voltmeter gauge or a voltage
display on the Driver Information Center
(DIC), you may see the voltage move up or
down. This is normal. If there is a problem,
an alert will be displayed.
The battery can be discharged at idle if the
electrical loads are very high. This is true for
all vehicles. This is because the generator
(alternator) may not be spinning fast
enough at idle to produce all of the power
needed for very high electrical loads.
A high electrical load occurs when several of
the following are on, such as: headlamps,
high beams, rear window defogger, climate
control fan at high speed, heated seats,
engine cooling fans, trailer loads, and loads
plugged into accessory power outlets.
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