See also:

Interior
Base-model SL G1500 vans have vinyl high-back front buckets and a pair of rear bench seats for eight-passenger capacity. A dozen people fit into the G2500/3500 vans, seated on twin three-passenger ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...

Add-On Electrical Equipment
Notice: Do not add anything electrical to the vehicle unless you check with your dealer first. Some electrical equipment can damage the vehicle and the damage would not be covered by the vehicle's wa ...